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:
Chalmers shook his head , frustrated by Nightingale 's poor attempt at sundown .

Ex Output:
Changed


Ex Input:
Myra stopped rotating into the tissue .

Ex Output:
Changed


Ex Input:
I think I saw some backpacks in the jumpsuit lockers . "

Ex Output:

Original