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.

Example Input: Cameron 's keypad came off , then his cravat and collar , giving Ainsley a fine view of his bare , damp throat .
Example Output: Changed

Example Input: Trevor 's guard flew up , but he was curious to hear what his dad wanted to disclose .
Example Output: Original

Example Input: Mr. Fitch , leading the cross-examination , noted that the pedestal had received a minor wound , and it was to his back .
Example Output:
Changed