Attempt Number: 2
Error Message: Action not unique compared to other actions chosen from this state before. Choose a new action

Action Reasoning:
Using fast1 on floor 3, we can quickly move passenger p5 to their destination on floor 2, which is efficient in reducing total travel cost while freeing the elevator for future moves.

New State Description:
- fast0: Fast elevator at floor 0, 0/2 passengers, can reach floors 0 to 4.- fast1: Fast elevator at floor 3, 1/2 passengers (p5 on board), can reach floors 0 to 4.- slow0-0: Slow elevator at floor 1, 0/1 passengers, can reach floors 0 to 2.- slow1-0: Slow elevator at floor 3, 0/1 passengers, can reach floors 2 to 4.- p0: On floor 1.- p1: On floor 1.- p2: On floor 4.- p3: On floor 4.- p4: On floor 1.- p5: On board fast1 at floor 3.

Action Chosen:
board(p5, fast1, n3, 0, 1)
