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: They might find that they had better luck starting over than trying to divulge what was currently in front of them .

A: Changed
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Q: That is all IT is ... beat the competition ... ' ' Naturally ... by co-operating in mutual enhancement ? '

A: Changed
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Q: " Are you a psychologist ? "

A:
Original
****