Perform constituency parsing on the provided sentences in accordance with the Penn TreeBank annotation guidelines. Fill in the last mapping.

Ad Notes
->
[ ( NP-HLN ( NN Ad ) ( NNS Notes ) ) ]

The market crumbled
->
[ ( S ( NP-SBJ ( DT The ) ( NN market ) ) ( VP ( VBD crumbled ) ) ) ]

I felt betrayed he later said
->
[ ( S ( S-TPC-1 ( NP-SBJ ( PRP I ) ) ( VP ( VBD felt ) ( ADJP-PRD ( VBN betrayed ) ) ) ) ( NP-SBJ ( PRP he ) ) ( ADVP-TMP ( RB later ) ) ( VP ( VBD said ) ) ) ]

Friday October 13 1989
->
[ ( NP ( NNP Friday ) ( NNP October ) ( CD 13 ) ( CD 1989 ) ) ]

The Arabs had merely oil
->
[ ( S ( NP-SBJ ( DT The ) ( NNPS Arabs ) ) ( VP ( VBD had ) ( NP ( RB merely ) ( NN oil ) ) ) ) ]

Energy
->
[ ( NP-HLN ( NN Energy ) ) ]

Some U.S. entrepreneurs operate on a smaller scale
->
[ ( S ( NP-SBJ ( DT Some ) ( NNP U.S. ) ( NNS entrepreneurs ) ) ( VP ( VBP operate ) ( PP-MNR ( IN on ) ( NP ( DT a ) ( JJR smaller ) ( NN scale ) ) ) ) ) ]

Knowledgeware Inc.
->
[ ( NP-HLN ( NNP Knowledgeware ) ( NNP Inc. ) ) ]

We want to make sure they know what they want before they come back said Doug Hammond the federal mediator who has been in contact with both sides since the strike began
->