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

Action Reasoning:
To minimize total costs while moving passengers towards their respective destinations, we should move fast0 up to floor 4 for passengers p2 and p3 before bringing them to their target floors.

New State Description:
- Elevator fast0 is now at floor 4 (n4), empty, capacity 2 passengers.- Elevator fast1 remains at floor 3 (n3), 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 4 (n4), can now board fast0.- Passenger p3 is on floor 4 (n4), can also board fast0.- Passenger p4 is on floor 1 (n1).- Passenger p5 remains on floor 2 (n2).

Action Chosen:
move-up-fast(fast0, n2, n4)
