You are an expert in program synthesis. You are tasked with solving a Syntax-Guided Synthesis (SyGuS) problem. Your goal is to output a function that should produce outputs that satisfy a series of constraints when given specific inputs.

Question:
(set-logic SLIA)

(synth-fun f ((firstname String) (lastname String)) String)

(declare-var name String)
(constraint (= (f "Launa" "Withers") "Withers, L."))
(constraint (= (f "Lakenya" "Edison") "Edison, L."))
(constraint (= (f "Brendan" "Hage") "Hage, B."))
(constraint (= (f "Bradford" "Lango") "Lango, B."))
(constraint (= (f "Rudolf" "Akiyama") "Akiyama, R."))
(constraint (= (f "Lara" "Constable") "Constable, L."))
(constraint (= (f "Madelaine" "Ghoston") "Ghoston, M."))
(constraint (= (f "Salley" "Hornak") "Hornak, S."))
(constraint (= (f "Micha" "Junkin") "Junkin, M."))
(constraint (= (f "Teddy" "Bobo") "Bobo, T."))
(constraint (= (f "Coralee" "Scalia") "Scalia, C."))
(constraint (= (f "Jeff" "Quashie") "Quashie, J."))
(constraint (= (f "Vena" "Babiarz") "Babiarz, V."))
(constraint (= (f "Karrie" "Lain") "Lain, K."))
(constraint (= (f "Tobias" "Dermody") "Dermody, T."))
(constraint (= (f "Celsa" "Hopkins") "Hopkins, C."))
(constraint (= (f "Kimberley" "Halpern") "Halpern, K."))
(constraint (= (f "Phillip" "Rowden") "Rowden, P."))
(constraint (= (f "Elias" "Neil") "Neil, E."))
(constraint (= (f "Lashanda" "Cortes") "Cortes, L."))
(constraint (= (f "Mackenzie" "Spell") "Spell, M."))
(constraint (= (f "Kathlyn" "Eccleston") "Eccleston, K."))
(constraint (= (f "Georgina" "Brescia") "Brescia, G."))
(constraint (= (f "Beata" "Miah") "Miah, B."))
(constraint (= (f "Desiree" "Seamons") "Seamons, D."))
(constraint (= (f "Jeanice" "Soderstrom") "Soderstrom, J."))
(constraint (= (f "Mariel" "Jurgens") "Jurgens, M."))
(constraint (= (f "Alida" "Bogle") "Bogle, A."))
(constraint (= (f "Jacqualine" "Olague") "Olague, J."))
(constraint (= (f "Joaquin" "Clasen") "Clasen, J."))
(constraint (= (f "Samuel" "Richert") "Richert, S."))
(constraint (= (f "Malissa" "Marcus") "Marcus, M."))
(constraint (= (f "Alaina" "Partida") "Partida, A."))
(constraint (= (f "Trinidad" "Mulloy") "Mulloy, T."))
(constraint (= (f "Carlene" "Garrard") "Garrard, C."))
(constraint (= (f "Melodi" "Chism") "Chism, M."))
(constraint (= (f "Bess" "Chilcott") "Chilcott, B."))
(constraint (= (f "Chong" "Aylward") "Aylward, C."))
(constraint (= (f "Jani" "Ramthun") "Ramthun, J."))
(constraint (= (f "Jacquiline" "Heintz") "Heintz, J."))
(constraint (= (f "Hayley" "Marquess") "Marquess, H."))
(constraint (= (f "Andria" "Spagnoli") "Spagnoli, A."))
(constraint (= (f "Irwin" "Covelli") "Covelli, I."))
(constraint (= (f "Gertude" "Montiel") "Montiel, G."))
(constraint (= (f "Stefany" "Reily") "Reily, S."))
(constraint (= (f "Rae" "Mcgaughey") "Mcgaughey, R."))
(constraint (= (f "Cruz" "Latimore") "Latimore, C."))
(constraint (= (f "Maryann" "Casler") "Casler, M."))
(constraint (= (f "Annalisa" "Gregori") "Gregori, A."))
(constraint (= (f "Jenee" "Pannell") "Pannell, J."))

(check-synth)
Solution:
(define-fun f ((firstname String) (lastname String)) String (str.++ lastname (str.++ "," (str.++ " " (str.++ (str.at firstname 0) ".")))))

Question:
(set-logic SLIA)

(synth-fun f ((firstname String) (lastname String)) String)

(declare-var firstname String)
(declare-var lastname String)
(constraint (= (f "Nancy" "FreeHafer") "Nancy F."))
(constraint (= (f "Andrew" "Cencici") "Andrew C."))
(constraint (= (f "Jan" "Kotas") "Jan K."))
(constraint (= (f "Mariya" "Sergienko") "Mariya S."))

(check-synth)
Solution:
(define-fun f ((firstname String) (lastname String)) String (str.++ (str.++ (str.++ firstname " ") (str.at lastname 0)) "."))

Question:
(set-logic SLIA)

(synth-fun f ((firstname String) (lastname String)) String)

(declare-var firstname String)
(declare-var lastname String)
(constraint (= (f "Launa" "Withers") "L. Withers"))
(constraint (= (f "Launa" "Withers") "L. Withers"))
(constraint (= (f "Launa" "Withers") "L. Withers"))
(constraint (= (f "Lakenya" "Edison") "L. Edison"))
(constraint (= (f "Lakenya" "Edison") "L. Edison"))
(constraint (= (f "Lakenya" "Edison") "L. Edison"))
(constraint (= (f "Brendan" "Hage") "B. Hage"))
(constraint (= (f "Brendan" "Hage") "B. Hage"))
(constraint (= (f "Brendan" "Hage") "B. Hage"))
(constraint (= (f "Bradford" "Lango") "B. Lango"))
(constraint (= (f "Bradford" "Lango") "B. Lango"))
(constraint (= (f "Bradford" "Lango") "B. Lango"))
(constraint (= (f "Rudolf" "Akiyama") "R. Akiyama"))
(constraint (= (f "Rudolf" "Akiyama") "R. Akiyama"))
(constraint (= (f "Rudolf" "Akiyama") "R. Akiyama"))
(constraint (= (f "Lara" "Constable") "L. Constable"))
(constraint (= (f "Lara" "Constable") "L. Constable"))
(constraint (= (f "Lara" "Constable") "L. Constable"))
(constraint (= (f "Madelaine" "Ghoston") "M. Ghoston"))
(constraint (= (f "Madelaine" "Ghoston") "M. Ghoston"))
(constraint (= (f "Madelaine" "Ghoston") "M. Ghoston"))
(constraint (= (f "Salley" "Hornak") "S. Hornak"))
(constraint (= (f "Salley" "Hornak") "S. Hornak"))
(constraint (= (f "Salley" "Hornak") "S. Hornak"))
(constraint (= (f "Micha" "Junkin") "M. Junkin"))
(constraint (= (f "Micha" "Junkin") "M. Junkin"))
(constraint (= (f "Micha" "Junkin") "M. Junkin"))
(constraint (= (f "Teddy" "Bobo") "T. Bobo"))
(constraint (= (f "Teddy" "Bobo") "T. Bobo"))
(constraint (= (f "Teddy" "Bobo") "T. Bobo"))
(constraint (= (f "Coralee" "Scalia") "C. Scalia"))
(constraint (= (f "Coralee" "Scalia") "C. Scalia"))
(constraint (= (f "Coralee" "Scalia") "C. Scalia"))
(constraint (= (f "Jeff" "Quashie") "J. Quashie"))
(constraint (= (f "Jeff" "Quashie") "J. Quashie"))
(constraint (= (f "Jeff" "Quashie") "J. Quashie"))
(constraint (= (f "Vena" "Babiarz") "V. Babiarz"))
(constraint (= (f "Vena" "Babiarz") "V. Babiarz"))
(constraint (= (f "Vena" "Babiarz") "V. Babiarz"))
(constraint (= (f "Karrie" "Lain") "K. Lain"))
(constraint (= (f "Karrie" "Lain") "K. Lain"))
(constraint (= (f "Karrie" "Lain") "K. Lain"))
(constraint (= (f "Tobias" "Dermody") "T. Dermody"))
(constraint (= (f "Tobias" "Dermody") "T. Dermody"))
(constraint (= (f "Tobias" "Dermody") "T. Dermody"))
(constraint (= (f "Celsa" "Hopkins") "C. Hopkins"))
(constraint (= (f "Celsa" "Hopkins") "C. Hopkins"))
(constraint (= (f "Celsa" "Hopkins") "C. Hopkins"))
(constraint (= (f "Kimberley" "Halpern") "K. Halpern"))
(constraint (= (f "Kimberley" "Halpern") "K. Halpern"))
(constraint (= (f "Kimberley" "Halpern") "K. Halpern"))
(constraint (= (f "Phillip" "Rowden") "P. Rowden"))
(constraint (= (f "Phillip" "Rowden") "P. Rowden"))
(constraint (= (f "Phillip" "Rowden") "P. Rowden"))
(constraint (= (f "Elias" "Neil") "E. Neil"))
(constraint (= (f "Elias" "Neil") "E. Neil"))
(constraint (= (f "Elias" "Neil") "E. Neil"))
(constraint (= (f "Lashanda" "Cortes") "L. Cortes"))
(constraint (= (f "Lashanda" "Cortes") "L. Cortes"))
(constraint (= (f "Lashanda" "Cortes") "L. Cortes"))
(constraint (= (f "Mackenzie" "Spell") "M. Spell"))
(constraint (= (f "Mackenzie" "Spell") "M. Spell"))
(constraint (= (f "Mackenzie" "Spell") "M. Spell"))
(constraint (= (f "Kathlyn" "Eccleston") "K. Eccleston"))
(constraint (= (f "Kathlyn" "Eccleston") "K. Eccleston"))
(constraint (= (f "Kathlyn" "Eccleston") "K. Eccleston"))
(constraint (= (f "Georgina" "Brescia") "G. Brescia"))
(constraint (= (f "Georgina" "Brescia") "G. Brescia"))
(constraint (= (f "Georgina" "Brescia") "G. Brescia"))
(constraint (= (f "Beata" "Miah") "B. Miah"))
(constraint (= (f "Beata" "Miah") "B. Miah"))
(constraint (= (f "Beata" "Miah") "B. Miah"))
(constraint (= (f "Desiree" "Seamons") "D. Seamons"))
(constraint (= (f "Desiree" "Seamons") "D. Seamons"))
(constraint (= (f "Desiree" "Seamons") "D. Seamons"))
(constraint (= (f "Jeanice" "Soderstrom") "J. Soderstrom"))
(constraint (= (f "Jeanice" "Soderstrom") "J. Soderstrom"))
(constraint (= (f "Jeanice" "Soderstrom") "J. Soderstrom"))
(constraint (= (f "Mariel" "Jurgens") "M. Jurgens"))
(constraint (= (f "Mariel" "Jurgens") "M. Jurgens"))
(constraint (= (f "Mariel" "Jurgens") "M. Jurgens"))
(constraint (= (f "Alida" "Bogle") "A. Bogle"))
(constraint (= (f "Alida" "Bogle") "A. Bogle"))
(constraint (= (f "Alida" "Bogle") "A. Bogle"))
(constraint (= (f "Jacqualine" "Olague") "J. Olague"))
(constraint (= (f "Jacqualine" "Olague") "J. Olague"))
(constraint (= (f "Jacqualine" "Olague") "J. Olague"))
(constraint (= (f "Joaquin" "Clasen") "J. Clasen"))
(constraint (= (f "Joaquin" "Clasen") "J. Clasen"))
(constraint (= (f "Joaquin" "Clasen") "J. Clasen"))
(constraint (= (f "Samuel" "Richert") "S. Richert"))
(constraint (= (f "Samuel" "Richert") "S. Richert"))
(constraint (= (f "Samuel" "Richert") "S. Richert"))
(constraint (= (f "Malissa" "Marcus") "M. Marcus"))
(constraint (= (f "Malissa" "Marcus") "M. Marcus"))
(constraint (= (f "Malissa" "Marcus") "M. Marcus"))
(constraint (= (f "Alaina" "Partida") "A. Partida"))
(constraint (= (f "Alaina" "Partida") "A. Partida"))
(constraint (= (f "Alaina" "Partida") "A. Partida"))
(constraint (= (f "Trinidad" "Mulloy") "T. Mulloy"))
(constraint (= (f "Trinidad" "Mulloy") "T. Mulloy"))
(constraint (= (f "Trinidad" "Mulloy") "T. Mulloy"))
(constraint (= (f "Carlene" "Garrard") "C. Garrard"))
(constraint (= (f "Carlene" "Garrard") "C. Garrard"))
(constraint (= (f "Carlene" "Garrard") "C. Garrard"))
(constraint (= (f "Melodi" "Chism") "M. Chism"))
(constraint (= (f "Melodi" "Chism") "M. Chism"))
(constraint (= (f "Melodi" "Chism") "M. Chism"))
(constraint (= (f "Bess" "Chilcott") "B. Chilcott"))
(constraint (= (f "Bess" "Chilcott") "B. Chilcott"))
(constraint (= (f "Bess" "Chilcott") "B. Chilcott"))
(constraint (= (f "Chong" "Aylward") "C. Aylward"))
(constraint (= (f "Chong" "Aylward") "C. Aylward"))
(constraint (= (f "Chong" "Aylward") "C. Aylward"))
(constraint (= (f "Jani" "Ramthun") "J. Ramthun"))
(constraint (= (f "Jani" "Ramthun") "J. Ramthun"))
(constraint (= (f "Jani" "Ramthun") "J. Ramthun"))
(constraint (= (f "Jacquiline" "Heintz") "J. Heintz"))
(constraint (= (f "Jacquiline" "Heintz") "J. Heintz"))
(constraint (= (f "Jacquiline" "Heintz") "J. Heintz"))
(constraint (= (f "Hayley" "Marquess") "H. Marquess"))
(constraint (= (f "Hayley" "Marquess") "H. Marquess"))
(constraint (= (f "Hayley" "Marquess") "H. Marquess"))
(constraint (= (f "Andria" "Spagnoli") "A. Spagnoli"))
(constraint (= (f "Andria" "Spagnoli") "A. Spagnoli"))
(constraint (= (f "Andria" "Spagnoli") "A. Spagnoli"))
(constraint (= (f "Irwin" "Covelli") "I. Covelli"))
(constraint (= (f "Irwin" "Covelli") "I. Covelli"))
(constraint (= (f "Irwin" "Covelli") "I. Covelli"))
(constraint (= (f "Gertude" "Montiel") "G. Montiel"))
(constraint (= (f "Gertude" "Montiel") "G. Montiel"))
(constraint (= (f "Gertude" "Montiel") "G. Montiel"))
(constraint (= (f "Stefany" "Reily") "S. Reily"))
(constraint (= (f "Stefany" "Reily") "S. Reily"))
(constraint (= (f "Stefany" "Reily") "S. Reily"))
(constraint (= (f "Rae" "Mcgaughey") "R. Mcgaughey"))
(constraint (= (f "Rae" "Mcgaughey") "R. Mcgaughey"))
(constraint (= (f "Rae" "Mcgaughey") "R. Mcgaughey"))
(constraint (= (f "Cruz" "Latimore") "C. Latimore"))
(constraint (= (f "Cruz" "Latimore") "C. Latimore"))
(constraint (= (f "Cruz" "Latimore") "C. Latimore"))
(constraint (= (f "Maryann" "Casler") "M. Casler"))
(constraint (= (f "Maryann" "Casler") "M. Casler"))
(constraint (= (f "Maryann" "Casler") "M. Casler"))
(constraint (= (f "Annalisa" "Gregori") "A. Gregori"))
(constraint (= (f "Annalisa" "Gregori") "A. Gregori"))
(constraint (= (f "Annalisa" "Gregori") "A. Gregori"))
(constraint (= (f "Jenee" "Pannell") "J. Pannell"))
(constraint (= (f "Jenee" "Pannell") "J. Pannell"))
(constraint (= (f "Jenee" "Pannell") "J. Pannell"))
(constraint (= (f "Launa" "Withers") "L. Withers"))
(constraint (= (f "Lakenya" "Edison") "L. Edison"))
(constraint (= (f "Brendan" "Hage") "B. Hage"))
(constraint (= (f "Bradford" "Lango") "B. Lango"))
(constraint (= (f "Rudolf" "Akiyama") "R. Akiyama"))
(constraint (= (f "Lara" "Constable") "L. Constable"))
(constraint (= (f "Madelaine" "Ghoston") "M. Ghoston"))
(constraint (= (f "Salley" "Hornak") "S. Hornak"))
(constraint (= (f "Micha" "Junkin") "M. Junkin"))
(constraint (= (f "Teddy" "Bobo") "T. Bobo"))
(constraint (= (f "Coralee" "Scalia") "C. Scalia"))
(constraint (= (f "Jeff" "Quashie") "J. Quashie"))
(constraint (= (f "Vena" "Babiarz") "V. Babiarz"))
(constraint (= (f "Karrie" "Lain") "K. Lain"))
(constraint (= (f "Tobias" "Dermody") "T. Dermody"))
(constraint (= (f "Celsa" "Hopkins") "C. Hopkins"))
(constraint (= (f "Kimberley" "Halpern") "K. Halpern"))
(constraint (= (f "Phillip" "Rowden") "P. Rowden"))
(constraint (= (f "Elias" "Neil") "E. Neil"))
(constraint (= (f "Lashanda" "Cortes") "L. Cortes"))
(constraint (= (f "Mackenzie" "Spell") "M. Spell"))
(constraint (= (f "Kathlyn" "Eccleston") "K. Eccleston"))
(constraint (= (f "Georgina" "Brescia") "G. Brescia"))
(constraint (= (f "Beata" "Miah") "B. Miah"))
(constraint (= (f "Desiree" "Seamons") "D. Seamons"))
(constraint (= (f "Jeanice" "Soderstrom") "J. Soderstrom"))
(constraint (= (f "Mariel" "Jurgens") "M. Jurgens"))
(constraint (= (f "Alida" "Bogle") "A. Bogle"))
(constraint (= (f "Jacqualine" "Olague") "J. Olague"))
(constraint (= (f "Joaquin" "Clasen") "J. Clasen"))
(constraint (= (f "Samuel" "Richert") "S. Richert"))
(constraint (= (f "Malissa" "Marcus") "M. Marcus"))
(constraint (= (f "Alaina" "Partida") "A. Partida"))
(constraint (= (f "Trinidad" "Mulloy") "T. Mulloy"))
(constraint (= (f "Carlene" "Garrard") "C. Garrard"))
(constraint (= (f "Melodi" "Chism") "M. Chism"))
(constraint (= (f "Bess" "Chilcott") "B. Chilcott"))
(constraint (= (f "Chong" "Aylward") "C. Aylward"))
(constraint (= (f "Jani" "Ramthun") "J. Ramthun"))
(constraint (= (f "Jacquiline" "Heintz") "J. Heintz"))
(constraint (= (f "Hayley" "Marquess") "H. Marquess"))
(constraint (= (f "Andria" "Spagnoli") "A. Spagnoli"))
(constraint (= (f "Irwin" "Covelli") "I. Covelli"))
(constraint (= (f "Gertude" "Montiel") "G. Montiel"))
(constraint (= (f "Stefany" "Reily") "S. Reily"))
(constraint (= (f "Rae" "Mcgaughey") "R. Mcgaughey"))
(constraint (= (f "Cruz" "Latimore") "C. Latimore"))
(constraint (= (f "Maryann" "Casler") "M. Casler"))
(constraint (= (f "Annalisa" "Gregori") "A. Gregori"))
(constraint (= (f "Jenee" "Pannell") "J. Pannell"))

(check-synth)
Solution:
(define-fun f ((firstname String) (lastname String)) String (str.++ (str.++ (str.++ (str.at firstname 0) ".") " ") lastname))

Question:
(set-logic SLIA)

(synth-fun f ((firstname String) (lastname String)) String)

(declare-var firstname String)
(declare-var lastname String)
(constraint (= (f "Launa" "Withers") "Launa Withers"))
(constraint (= (f "Lakenya" "Edison") "Lakenya Edison"))
(constraint (= (f "Brendan" "Hage") "Brendan Hage"))
(constraint (= (f "Bradford" "Lango") "Bradford Lango"))
(constraint (= (f "Rudolf" "Akiyama") "Rudolf Akiyama"))
(constraint (= (f "Lara" "Constable") "Lara Constable"))

(check-synth)
Solution:
