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: And Eddie drove down each street , stuffing napkins , leaving packages , drinking coffee , and sitting in parking lots .
Example Output: Changed

Example Input: It takes very little energy , and it 's an easy way to motivate people to do things .
Example Output: Original

Example Input: I call out , before resuming her outside on the back lawn , talking on the phone as the sun sets behind her .
Example Output:
Changed