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: It was to be the icon of the Easter Square Incident .
Example Output: Original

Example Input: " Wear the club .
Example Output: Changed

Example Input: Hopefully you can come and visit again soon , " Melanie retracted them .
Example Output:
Changed