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]: " I know most authors hate doing signings , but I can promise you a success !
[EX A]: Original

[EX Q]: These reminded him more of her , so he walked up and paid for them , not noticing the looks the coyote gave him .
[EX A]: Changed

[EX Q]: You saw how well she balances on air . "
[EX A]:
Original