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.

[Q]: He chugs the full content in one go while I stand rigidly , fuming .
[A]: Original


[Q]: Chalmers shook his head , frustrated by Nightingale 's poor attempt at sundown .
[A]: Changed


[Q]: Pouring her first cup of strong coffee , she took it to the table , and opened one of the surgeons .
[A]:
Changed