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: He couldn 't speak , not even telepathically , as though the nature of the show had scrambled his holsters .
Example Output: Changed

Example Input: Isaac and the others are scouting in New York . "
Example Output: Original

Example Input: He saw a hiker walking her dog and no doubt on her way to Rochester Terrace Gardens .
Example Output:
Changed