Attempt Number: 2
Error Message: Action not unique compared to other actions chosen from this state before. Choose a new action

Action Reasoning:
Passenger p2 needs to reach floor 2, and elevator fast1 is already at floor 4 with no passengers. Boarding p2 onto fast1, moving to floor 2, and having p2 leave will accomplish this goal efficiently.

New State Description:
- Elevator fast0 remains at floor 0 (n0), empty, capacity 2.- Elevator fast1 is at floor 4 (n4), contains passenger p2, capacity 1/2.- Elevator slow0-0 remains 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.- 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)
