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.

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

[EX Q]: She 'd have a natural flair for artistic expression , creating impressive pieces that 'd reflect her heart in the world .
[EX A]: Changed

[EX Q]: " And athletes , " said Mark .
[EX A]:
Original