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: " I imagine it also has to do with a variety of other Reboots .
Example Output: Changed

Example Input: I 've roped them all in and they can 't get away ! "
Example Output: Original

Example Input: I left the floorboard , beginning the long walk back home to my parents ' empty apartment .
Example Output:
Changed