In this task, you are given a sentence. You must judge whether a single noun or verb has been replaced with another word with the same part of speech. The inversion would result in the sentence sounding unnatural, So unnatural sentences will be considered changed. Label the instances as "Original" or "Changed" based on your judgment.

Q: Humans outnumber us , Sali , and it confuses things .

A: Original
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Q: The same arms that held my body are now holsters for lethal weapons .

A: Original
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Q: How could he make up a dumb family outing on the spot like that ?

A:
Original
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