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

Action Reasoning:
The next action in the plan is to leave passenger p4 from fast0 at floor n3. This action is necessary to get p4 to their destination and aligns with the plan sequence.

New State Description:
- **fast0**: A fast elevator at floor 3 (n3), now with 0 passengers and a capacity of 2.- **fast1**: A fast elevator at floor 0 (n0), with 0 passengers and a capacity of 2.- **slow0-0**: A slow elevator at floor 1 (n1), with 0 passengers and a capacity of 1.- **slow1-0**: A slow elevator at floor 3 (n3), with 0 passengers and a capacity of 1.- **p0**: On floor 1 (n1).- **p1**: On floor 3 (n3).- **p2**: On floor 2 (n2).- **p3**: On floor 0 (n0).- **p4**: On floor 3 (n3), no longer onboard fast0.- **p5**: On floor 3 (n3).

Action Chosen:
(leave p4 fast0 n3 n1 n0)
