Attempt Number: 3
Error Message: Action not unique compared to other actions chosen from this state before. Choose a new action

Action Reasoning:
Passenger p1 needs to be on floor 3, so we can board them on fast0 at floor 1 and take them directly, optimizing the travel cost and bringing us closer to the goal state by having a passenger en route to their destination.

New State Description:
- Elevator fast0 remains at floor 1 (n1) and now has 1/2 passengers.- Elevator fast1 is at floor 3 (n3), empty with 0/2 passengers.- Elevator slow0-0 stays at floor 0 (n0), empty with 0/1 passengers.- Elevator slow1-0 remains at floor 3 (n3), empty with 0/1 passengers.- Passenger p0 is still on floor 0 (n0).- Passenger p1 is now on board fast0.- Passenger p2 is on floor 4 (n4).- Passenger p3 is on floor 4 (n4).- Passenger p4 is on floor 1 (n1).- Passenger p5 is on floor 3 (n3).

Action Chosen:
board(p1, fast0, n1, 0, 1)
