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

Action Reasoning:
Boarding p4 onto slow0-0 and moving to floor 3 aligns with the goal of delivering p4 to the desired floor efficiently using a slow elevator.

New State Description:
- Elevator fast0 is at floor 0 (n0), empty, capacity 2.- Elevator fast1 is at floor 3 (n3), empty, capacity 2.- Elevator slow0-0 is at floor 1 (n1), with passenger p4, capacity 1.- Elevator slow1-0 is at floor 2 (n2), empty, capacity 1.- Passenger p0 is at floor 0 (n0).- Passenger p1 is at floor 3 (n3).- Passenger p2 is at floor 2 (n2).- Passenger p3 is at floor 0 (n0).- Passenger p4 is in elevator slow0-0.- Passenger p5 is at floor 2 (n2).

Action Chosen:
board(p4, slow0-0, n1, 0, 1)
