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: Apparently the ship had very little provisions left and would be looking to put ashore as soon as possible to find some more .
Example Output: Original

Example Input: Then , grimacing , I altered my destination and turned the corner .
Example Output: Original

Example Input: A man who has spent his life building and designing robots .
Example Output:
Original