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

Action Reasoning:
Move the elevator fast0 with p1 from floor n1 to n3 since p1's destination matches with p3 and p4, grouping them will align with further transport plans.

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

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