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: Parts of the physical body , and also some of the Mark 's thoughts and connection to their handler . "
Example Output: Original

Example Input: Chalmers shook his head , frustrated by Nightingale 's poor attempt at sundown .
Example Output: Changed

Example Input: " Sometimes I get so sad that it jest sounds good . "
Example Output:
Original