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

Action Reasoning:
p2 and p3 need to reach floor 0. By moving fast1 from floor 2 to 4, we can board them and bring them closer to the destination.

New State Description:
- fast0: Fast elevator at floor 3 (n3), 0/2 passengers, empty.- fast1: Fast elevator moved to floor 4 (n4), 0/2 passengers, empty.- slow0-0: Slow elevator at floor 1 (n1), 0/1 passengers, empty.- slow1-0: Slow elevator at floor 3 (n3), 0/1 passengers, empty.- p0: On floor 1 (n1).- p1: On floor 3 (n3), not on fast0.- p2: On floor 4 (n4).- p3: On floor 4 (n4).- p4: On floor 1 (n1).- p5: On floor 2 (n2).

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