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

Action Reasoning:
Board passenger p4 onto the fast elevator fast0 at floor 1 so it can travel to floor 3, aligning with its goal destination.

New State Description:
- Elevator fast0 is at floor 1 (n1) with passenger p4 on board; capacity is now 1/2.- Elevator fast1 remains at floor 3 (n3), empty with a maximum capacity of 2.- Elevator slow0-0 is at floor 0 (n0), empty with a maximum capacity of 1.- Elevator slow1-0 is still at floor 3 (n3), empty with a maximum capacity of 1.- Passenger p0 is on floor 0 (n0).- Passenger p1 is on floor 1 (n1).- Passenger p2 is on floor 4 (n4).- Passenger p3 is on floor 4 (n4).- Passenger p4 is on board elevator fast0.- Passenger p5 is on floor 3 (n3).

Action Chosen:
board(p4, fast0, n1, 0, 1)
