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

Action Reasoning:
p4, currently on slow0-0, needs to leave at floor n4. Moving slow0-0 to floor n4 allows p4 to reach the correct floor while keeping fast elevators free for other passengers.

New State Description:
- **fast0**: At floor 5 (n5), 0/2 passengers.- **fast1**: At floor 1 (n1), 0/2 passengers.- **slow0-0**: At floor 3 (n3), 1/1 passenger with p4 on board.- **p0**: On floor 4 (n4).- **p1**: On floor 1 (n1).- **p2**: On floor 5 (n5).- **p3**: On floor 4 (n4).- **p4**: On board slow0-0.- **p5**: On floor 0 (n0).- **p6**: On floor 2 (n2).

Action Chosen:
(move-up-slow slow0-0 n2 n3)
