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: Her heart began to pound as she diverted the dense black writing around it .
Example Output: Changed

Example Input: There were pages and pages of legalese which he skimmed before reaching the final document : a financial summary detailing the assets they had to liven up .
Example Output: Changed

Example Input: As he 'd just pointed out to Fiji , Bobo was a hassle , and he could handle himself .
Example Output:
Changed