Attempt Number: 3
Error Message: Action not unique compared to other actions chosen from this state before. Choose a new action

Action Reasoning:
Passenger p1 is onboard fast0, which can reach floor n3 where passenger p4 needs to go. I will move fast0 from floor n1 to n3 to get p1 and p4 closer to their target locations.

New State Description:
- Elevator fast0 is now on floor 3 (n3) with p1 onboard and capacity of 1 more.- Elevator fast1 remains on floor 3 (n3), empty and can hold 2 passengers.- Elevator slow0-0 is on floor 0 (n0), empty and can hold 1 passenger.- Elevator slow1-0 remains on floor 3 (n3), empty with a capacity of 1.- Passenger p0 is on floor 0 (n0).- Passenger p1 onboard fast0 at floor 3 (n3).- Passenger p2 is on floor 4 (n4).- Passenger p3 is on floor 4 (n4).- Passenger p4 remains on floor 1 (n1).- Passenger p5 is on floor 3 (n3).

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