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 face heated as she recalled how many different ways he 'd demonstrated that .

A: Original
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Q: She 'd gotten out of last period to take pictures and document the coming event for the yearbook .

A: Original
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Q: From Ethan , Kelly already knew the highlights of the day and she understood Nash probably needed time alone to deal with all he 'd learned .

A:
Original
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