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]: Sure ... why unite it .
[EX A]: Changed

[EX Q]: " You have archers on your wrist .
[EX A]: Changed

[EX Q]: And I don 't believe the brain bleeds are caused by severe hallucinations .
[EX A]:
Changed