Parent State ID: 67
State Depth: 8
Action Taken: (move-up-fast fast0 n2 n4)
Action Reasoning: To move closer to the goal state, we should move fast0 up to floor 4 where passengers p0 and p3 are waiting, as it can hold both and take them to floor 5.
State Description: - **fast0**: At floor 4 (n4), 0/2 passengers.- **fast1**: At floor 0 (n0), 1/2 passengers (p5 on board).- **slow0-0**: At floor 2 (n2), 0/1 passengers.- **p0**: On floor 4 (n4).- **p1**: On floor 1 (n1).- **p2**: On floor 5 (n5).- **p3**: On floor 4 (n4).- **p4**: On floor 2 (n2).- **p5**: On board fast1 at floor 0 (n0).- **p6**: On floor 2 (n2).
Action Path: ['(board p2 fast1 n3 0 1)', '(move-up-fast fast1 n3 n5)', '(move-up-fast fast0 n0 n1)', '(leave p2 fast1 n5 1 0)', '(board p5 fast1 n5 0 1)', '(move-up-fast fast0 n1 n2)', '(move-down-fast fast1 n5 n0)', '(move-up-fast fast0 n2 n4)']

successfully verified the action of new state 76 with the path: The last action `(move-up-fast fast0 n2 n4)` is valid because all preconditions are satisfied, and the effects are correctly reflected in the current state. The natural language description, diagram encoding, and visualization of the current state are accurate and consistent with the sequence of actions taken.

INACTIVE REASON: Pruned in beam search
