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

Ex Output:
Original


Ex Input:
" Oh they were , " he owes me .

Ex Output:
Changed


Ex Input:
With a waved arm , he ensures that I should step towards one of the doors towards the back of the room .

Ex Output:

Show your work and conclude with the exact phrasing "Therefore, the final answer is [answer]." where [answer] is just the final number or expression that solves the problem.
user
Changed


