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: Kids call me " Morning " as a nickname ' cause my affections are A.M. .

A: Changed
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Q: My tongue flicks out and runs inside her low-cut shirt and bra , reaching until it flicks against her nipple .

A: Original
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Q: One Republic is playing over the stereo system as I set my warm-up pace to their song Counting Stars .

A:
Original
****