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

Action Reasoning:
Passenger p2 is on floor 4 and needs to get to floor 2. The next action should be to board passenger p2 onto fast1, which can reach floor 2 efficiently. This ensures both passengers use the same elevator to their destination and maximizes capacity use.

New State Description:
- **fast0**: A fast elevator currently at floor 0 (n0), with 0 passengers and a capacity of 2.- **fast1**: A fast elevator at floor 4 (n4), with 2 passengers (p3 and p2) 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**: Boarded on fast1 at floor 4 (n4).- **p3**: Boarded on fast1 at floor 4 (n4).- **p4**: On floor 1 (n1).- **p5**: On floor 3 (n3).

Action Chosen:
(board p2 fast1 n4 n1 n2)
