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: Cameron 's keypad came off , then his cravat and collar , giving Ainsley a fine view of his bare , damp throat .
Example Output: Changed

Example Input: Humiliation threatened , so I quickly gulped the rest of my drink and reconsidered the bartender .
Example Output: Original

Example Input: Instead of being dragged down by her independent lifestyle , Aunt Libby seemed to thrive on it .
Example Output:
Original