Parent State ID: 21
State Depth: 5
Action Taken: board(p3, fast1, n4, 0, 1)
Action Reasoning: Passenger p3 needs to reach floor 0, and fast1 is already on floor 4 with capacity. Boarding p3 on fast1 allows us to move them closer to their goal efficiently.
State Description: - Elevator fast0 remains at floor 0 (n0), empty with a maximum capacity of 2.- Elevator fast1 is at floor 4 (n4), now with 1 passenger (p3) and a maximum capacity of 2.- Elevator slow0-0 is at floor 0 (n0), empty with a maximum capacity of 1.- Elevator slow1-0 remains at floor 3 (n3), empty with a maximum capacity of 1.- Passenger p0 is on floor 0 (n0).- Passenger p1 is still on floor 1 (n1).- Passenger p2 remains on floor 4 (n4).- Passenger p3 is now on board fast1 at floor 4 (n4).- Passenger p4 is still on floor 1 (n1).- Passenger p5 remains on floor 3 (n3).
Action Path: ['board(p0, slow0-0, n1, 0, 1)', 'move-down-slow(slow0-0, n1, n0)', 'leave(p0, slow0-0, n0, 1, 0)', 'move-up-fast(fast1, n3, n4)', 'board(p3, fast1, n4, 0, 1)']

successfully verified the action of new state 37 with the path: The last action `board(p3, fast1, n4, 0, 1)` is valid as all preconditions are met, and the effects are correctly updated in the current state. The action logically moves towards the goal state, and the natural language description and visualization are consistent with the sequence of actions taken.

INACTIVE REASON: Pruned in beam search
