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 took a deep breath , turned my back on her and in a calm voice called out " The Beast Lord begs the People . "
Example Output: Changed

Example Input: Eventually Johnny would have to pay the piper ; that is pay for the sins of the father .
Example Output: Original

Example Input: By the time the next stitch hits the shore , the first wave of Undine have disappeared into the trees .
Example Output:
Changed