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.

Q: You look like the peacemaker type . "

A: Changed
****
Q: Everyone was up by the time we got back , and most were already in their bathing suits and working on their tans .

A: Original
****
Q: R.V. had been a proud , earnest , dedicated man when I first met him , fighting to save the world from pollution .

A:
Original
****