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

Action Reasoning:
Passenger p4 needs to disembark at floor n3. First, move fast0 from n1 to n3 to allow p4 to disembark.

New State Description:
- Elevator fast0 is now at floor 3 (n3) with passenger p4 on board, capacity 1/2.- Elevator fast1 remains at floor 2 (n2), empty, capacity 2.- Elevator slow0-0 remains at floor 1 (n1), empty, capacity 1.- Elevator slow1-0 remains at floor 2 (n2), empty, capacity 1.- Passenger p0 is on floor 0 (n0).- Passenger p1 is on floor 3 (n3).- Passenger p2 is on floor 2 (n2).- Passenger p3 is on floor 0 (n0).- Passenger p4 is on board fast0 and ready to leave at floor 3 (n3).- Passenger p5 is on floor 2 (n2).

Action Chosen:
move-up-fast(fast0, n1, n3)
