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 p3 on fast0 at floor 4 to move them closer to floor 0 efficiently, utilizing the fast elevator's capacity effectively.

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

Action Chosen:
board(p3, fast0, n4, 0, 1)
