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

Action Reasoning:
To move closer to the goal state, I will board passenger p4 on fast0 at floor 1. This will position p4 for transport to their desired floor, and fast0 can efficiently move to floor 3 with minimal cost.

New State Description:
- Elevator fast0 is at floor 1 (n1) with passenger p4 onboard, capacity 1/2.- Elevator fast1 remains at floor 2 (n2), empty, capacity 2.- Elevator slow0-0 remains at floor 0 (n0), empty, capacity 1.- Elevator slow1-0 remains at floor 2 (n2), empty, capacity 1.- Passenger p0 is on floor 0 (n0).- Passenger p1 is on floor 1 (n1).- Passenger p2 is on floor 2 (n2).- Passenger p3 is on floor 4 (n4).- Passenger p4 is onboard fast0.- Passenger p5 is on floor 2 (n2).

Action Chosen:
board(p4, fast0, n1, 0, 1)
