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.

Input: Consider Input: ' We 're at the end of the wharf , father .

Output: Original


Input: Consider Input: He had to be proactive , because being reactive would only end up in chaos , arrests , and more shit than he wanted to deal with .

Output: Original


Input: Consider Input: That Louisiana squirrel has permeated my orders ! "


Output: Changed