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: You look like the peacemaker type . "
Example Output: Changed

Example Input: A raccoon in a mask ? "
Example Output: Original

Example Input: If so , Purcell had outsmarted them all .
Example Output:
Original