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 mother used her long nails to fluff her hair .
Example Output: Original

Example Input: " Look , Ares , " the pediatrician said .
Example Output: Changed

Example Input: Dad snorted as he slathered some cream cheese on his bagel .
Example Output:
Original