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

Action Reasoning:
Fast elevator fast1 is at floor n4 along with passengers p2 and p3. Moving them one step closer to their destination by boarding them simultaneously offloads both from the highest floor.

New State Description:
- Elevator fast0 remains at floor 0 (n0), empty, capacity 2.- Elevator fast1 is at floor 4 (n4), now with 1 passenger, capacity 1/2. - 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 elevator fast1, initially on floor n4.- Passenger p3 is on floor 4 (n4).- Passenger p4 is on floor 1 (n1).- Passenger p5 is on floor 2 (n2).

Action Chosen:
board(p2, fast1, n4, 0, 1)
