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 is on floor 1 and needs to get to floor 3, which can be directly reached by fast elevator fast1, currently with passenger p1 on board. Let's take p1 to floor 3 first.

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

Action Chosen:
move-up-fast(fast1, n1, n3)
