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

Action Reasoning:
To efficiently get passengers p2 and p5 off the overcapacity fast1, unload p2 on floor 5, fulfilling one goal and freeing space for further passenger transfers.

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

Action Chosen:
(leave p2 fast1 n5 2 1)
