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: Eventually Johnny would have to pay the piper ; that is pay for the sins of the father .
Example Output: Original

Example Input: Thankfully our server appeared with several pitchers of wine and plates of food .
Example Output: Original

Example Input: " Can I close the noose ' Cute Puppies ' ? "
Example Output:
Changed