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: The mixer whirled and whirled .

A: Original
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Q: There is an odd undertone of fear in her voice , which piques my curiosity and concern .

A: Original
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Q: I shook off all of my ranches and crept around the truck to inch toward the backside of the Aztec building .

A:
Changed
****