Attempt Number: 2
Error Message: Action not unique compared to other actions chosen from this state before. Choose a new action

Action Reasoning:
The next best action is to move fast0 to floor 5 because it currently has passengers p3 and p4 who need to be on floor 5. This move aligns with the goal state for these passengers and helps empty the elevator.

New State Description:
- fast0: At floor 5 (n5), 2/2 passengers (carrying p3 and 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: Onboard fast0 (at n5).- p4: Onboard fast0 (at n5).- p5: On floor 0 (n0).- p6: On floor 2 (n2).

Action Chosen:
(move-up-fast fast0 n4 n5)
