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 darkness is suffocating , as is the heat that increases with every step that takes us further and further underground .

A: Original
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Q: I grabbed my weapons , sheathed them , and reverted back to my normal form .

A: Original
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Q: Slowly trotting to the ground , he spat at Dominic before his body succumbed to the loss .

A:
Changed
****