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]: Trevor 's guard flew up , but he was curious to hear what his dad wanted to disclose .
[EX A]: Original

[EX Q]: And maybe Kylie was wrong to feel angry , or maybe she wasn 't so much angry as she was just tired of playing second verse .
[EX A]: Changed

[EX Q]: They were listing the pages , looking for whatever was in the files that had Irwin so hot to get them back .
[EX A]:
Changed