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: She hadn 't realized that being with someone less perfect , who accepted her and her flaws , would provide more satisfaction in the long run .
Example Output: Original

Example Input: Verity reached the bluff overlooking the ravine where she had seen the small boat earlier .
Example Output: Changed

Example Input: " I saw the charts on the table .
Example Output:
Original