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

Action Reasoning:
Passenger p5 is already on their goal floor n2. By moving elevator fast0 down, we can deliver passenger p3 closer to their destination without additional pickups, thereby reducing waiting costs for passengers on board.

New State Description:
- Elevator fast0 is at floor 0 (n0) with passenger p3 on board, capacity 1/2.- Elevator fast1 remains at floor 2 (n2) with passenger p2 on board, 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 on floor 0 (n0).- Passenger p1 is on floor 1 (n1).- Passenger p2 is on board fast1 at floor 2 (n2).- Passenger p3 is on board fast0 at floor 0 (n0).- Passenger p4 is on floor 1 (n1).- Passenger p5 is on floor 2 (n2).

Action Chosen:
move-down-fast(fast0, n4, n0)
