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

Action Reasoning:
Passenger p1 needs to get to floor 3. We'll use the fast elevator (fast0) currently at floor 3 to board p1 from floor 1, and then move it back to floor 3.

New State Description:
- Elevator fast0 is at floor 1 (n1), empty, capacity 2.- Elevator fast1 remains at floor 2 (n2), empty, capacity 2.- Elevator slow0-0 remains at floor 0 (n0), 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 1 (n1).- Passenger p2 is on floor 2 (n2).- Passenger p3 is on floor 4 (n4).- Passenger p4 is on floor 3 (n3).- Passenger p5 is on floor 2 (n2).

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