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: Her mother used her long nails to fluff her hair .

A: Original
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Q: " He gave me an obituary .

A: Changed
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Q: She clenched up , legs squeezing , hindquarters tensing .

A:
Changed
****