Parent State ID: 3
State Depth: 2
Action Taken: move-up-fast(fast0, n0, n4)
Action Reasoning: Let's move passenger p0 to their destination on the ground floor. Slow0-0 cannot move due to being full, so instead, let's use fast0 to start bringing p3 from floor 4 (n4) to the ground floor (n0) as well since fast0 is empty and already on the ground floor.
State Description: fast0 is at floor 4 (n4), with 0 passengers. fast1 is at floor 3 (n3), with 0 passengers. slow0-0 is at floor 1 (n1), full with passenger p0. slow1-0 is at floor 3 (n3), with 0 passengers. Passenger p0 is onboard slow0-0. Passenger p1 is still on floor 1 (n1). Passenger p2 is on floor 4 (n4). Passenger p3 is on floor 4 (n4). Passenger p4 is on floor 1 (n1). Passenger p5 is on floor 3 (n3).
Action Path: ['board(p0, slow0-0, n1, 0, 1)', 'move-up-fast(fast0, n0, n4)']

successfully verified the action of new state 10 with the path: The action `move-up-fast(fast0, n0, n4)` is valid because all preconditions are satisfied: `fast0` was at floor 0, floor 4 is above floor 0, and floor 4 is reachable by `fast0`. The effects of the action are correctly reflected in the current state, with `fast0` now at floor 4. The natural language description and visualization of the current state are accurate, with all objects from the initial state present and correctly depicted.

INACTIVE REASON: Pruned in beam search
