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 lifted my shirt , revealing two deep gouges in my chest with blood gushing out .
[EX A]: Changed

[EX Q]: All week he 'd wormed his will not to go near the girl .
[EX A]: Changed

[EX Q]: We already did that , and I 'm not looking for a repeat of the farmer extermination .
[EX A]:
Changed