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

Action Reasoning:
Passenger p2 is already on fast1, which can move to floor 2, where p2 needs to be.

New State Description:
- fast0: Fast elevator at floor 0 (n0), 0/2 passengers.- fast1: Fast elevator at floor 2 (n2), 1/2 passengers, carrying p2.- slow0-0: Slow elevator at floor 1 (n1), 0/1 passengers.- slow1-0: Slow elevator at floor 3 (n3), 0/1 passengers.- p0: On floor 1 (n1).- p1: On floor 1 (n1).- p2: On fast1, at floor 2 (n2).- p3: On floor 4 (n4).- p4: On floor 1 (n1).- p5: On floor 2 (n2), clear.

Action Chosen:
move-down-fast(fast1, n4, n2)
