In this task you are given a sentence. You must judge whether there exist two consecutive words within the sentence with flipped orders, that is, whether the sentence will make sense and be correct if the order of two consecutive words changes. Label the instances as "Inversion" or "Original" based on your judgment.
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Question: He opened his mouth to reply and found himself saying nothing, his face turning warm.

Answer: Original


Question: Then he thrust deep.

Answer: Original


Question: He laughs, but then grows serious again.

Answer:
Original