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

Action Reasoning:
To get closer to the goal state, moving the slow elevator with p4 to the correct destination is efficient. Move slow0-0 to floor 4, then p4 can leave, and we align with the goal state plan.

New State Description:
- **fast0**: At floor 2 (n2), 0/2 passengers.- **fast1**: At floor 0 (n0), 0/2 passengers.- **slow0-0**: At floor 3 (n3), 1/1 passengers.- **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)
