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: She swiped her card , pushed through the metal turnstile , and stepped out onto the platform .

A: Original
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Q: Imagine the disgrace when word spreads that you perished at the hands of a woman ! "

A: Original
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Q: There were too many fail-safe signals for real Days .

A:
Changed
****