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

Action Reasoning:
Passenger p3 needs to be moved from floor 4 to floor 0. Since fast1 is already on floor 4, we can board p3 onto fast1 and then move it down to floor 0. This action aligns with our goal of minimizing intermediate waiting times, as p3 is closer to its destination.

New State Description:
- fast0: Fast elevator at floor 3 (n3), 0/2 passengers, available.- fast1: Fast elevator at floor 4 (n4), 1/2 passengers, occupied by p3.- slow0-0: Slow elevator at floor 1 (n1), 0/1 passengers, available.- slow1-0: Slow elevator at floor 3 (n3), 0/1 passengers, available.- p0: On floor 1 (n1), not on any elevator.- p1: On floor 3 (n3), not on any elevator.- p2: On floor 2 (n2), not on any elevator.- p3: Boarded on fast1 at floor 4 (n4).- p4: On floor 3 (n3), not on any elevator.- p5: On floor 2 (n2), not on any elevator.

Action Chosen:
board(p3, fast1, n4, 0, 1)
