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

Action Reasoning:
Move fast1 with passengers p1 and p4 onboard to floor 3 to minimize travel time and closer match their target. This sets up the next step of them reaching their goal floor efficiently.

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

Action Chosen:
board(p1, fast1, n1, 0, 1)
