Attempt Number: 4
Error Message: Action not unique compared to other actions chosen from this state before. Choose a new action

Action Reasoning:
Fast1 is at floor 4 with p3 on board whose goal is floor 5. Moving fast1 up takes us closer to the goal without disrupting the position or capacity of other elevators or passengers.

New State Description:
- fast0: At floor 4 (n4), 0/2 passengers.- fast1: At floor 5 (n5), 1/2 passengers (p3 on board). - slow0-0: At floor 2 (n2), 0/1 passengers.- p0: On floor 2 (n2).- p1: On floor 1 (n1).- p2: On floor 5 (n5).- p3: On board fast1.- p4: On floor 4 (n4).- p5: On floor 0 (n0).- p6: On floor 2 (n2).

Action Chosen:
(move-up-fast fast1 n4 n5)
