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 action in the plan is to move the fast elevator down with passenger p3 to floor 0, which aligns with the goal of getting p3 to floor 0.

New State Description:
- **fast0**: A fast elevator currently at floor 0 (n0), with 0 passengers and a capacity of 2.- **fast1**: A fast elevator now at floor 0 (n0), with 1 passenger (p3) 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 1 (n1).- **p2**: On floor 2 (n2).- **p3**: Boarded on fast1 at floor 0 (n0).- **p4**: On floor 1 (n1).- **p5**: On floor 3 (n3).

Action Chosen:
(move-down-fast fast1 n2 n0)
