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: " I tripped on one of those grenades you were talking about , " Daniel said .

A: Changed
****
Q: I pushed through the double doors to the atrium in time to witness Sofie deliver a vicious slap to Mortimer 's cheek .

A: Original
****
Q: I watched his mouth curl up at the corners in a musician and I read a million things in his expression .

A:
Changed
****