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: And how come you are familiar with the infirmary ?

A: Changed
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Q: " Con , " Hale filled in .

A: Original
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Q: Joelle is looking down at the sandals , her mother 's pretty sandals with the perspiration beads .

A:
Changed
****