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: Rocks that weighted well over four and five hundred pounds .

A: Original
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Q: A slight smile appeared as he moved around the bag , targeting different sides with different hand techniques .

A: Original
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Q: She proceeds towards it .

A:
Changed
****