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

Action Reasoning:
Passenger p4 needs to move to floor 3, which aligns with the goal state. We should focus on positioning passengers correctly. Since fast0 is carrying p4 at floor n3, have p4 leave in line with the destination.

New State Description:
- fast0: Fast elevator at floor 3 (n3), 0/2 passengers, empty.- fast1: Fast elevator remains on floor 2 (n2), 0/2 passengers, empty.- slow0-0: Slow elevator at floor 1 (n1), 0/1 passengers, empty.- slow1-0: Slow elevator at floor 3 (n3), 0/1 passengers, empty.- p0: On floor 1 (n1).- p1: On floor 3 (n3).- p2: On floor 2 (n2).- p3: On floor 0 (n0).- p4: On floor 3 (n3), no longer on the elevator.- p5: On floor 2 (n2).

Action Chosen:
leave(p4, fast0, n3, 1, 0)
