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: Myra stopped rotating into the tissue .
Example Output: Changed

Example Input: " You 've improved your weaponry .
Example Output: Original

Example Input: She grasped at the sheets , spacing them .
Example Output:
Changed