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

Action Reasoning:
Board passenger p1 onto fast0 on floor n1 to move them towards their destination on floor n3.

New State Description:
- fast0: A fast elevator at floor 1 (n1), with 1 passenger (p1) 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: Onboard fast0 at floor 1 (n1).- p2: On floor 2 (n2).- p3: On floor 0 (n0).- p4: On floor 1 (n1).- p5: On floor 3 (n3).

Action Chosen:
(board p1 fast0 n1 n0 n1)
