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: " Oh they were , " he owes me .
Example Output: Changed

Example Input: Shake the milk and witchcraft the kid if you want to keep your suit clean . "
Example Output: Changed

Example Input: As they headed toward their bunks , Barnes said , " Beth , I 'd like a word with you , please . "
Example Output:
Original