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

Action Reasoning:
To progress towards the goal state, p4 should disembark at floor 4. We'll move fast0 from floor 2 to floor 4 next, allowing p4 to leave at their destination. This leaves space so that more passengers can board this elevator, optimizing our subsequent moves.

New State Description:
- fast0: At floor 4 (n4), 1/2 passengers (carrying p4).- fast1: At floor 0 (n0), 0/2 passengers.- slow0-0: At floor 2 (n2), 0/1 passengers.- p0: On floor 2 (n2).- p1: On floor 1 (n1).- p2: On floor 5 (n5).- p3: On floor 4 (n4).- p4: Onboard fast0 at floor 4 (n4).- p5: On floor 0 (n0).- p6: On floor 2 (n2).

Action Chosen:
(move-up-fast fast0 n2 n4)
