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:
And my brethren , " again with the sweep of his arm , " wishing simply to be free to be vampires . "

Ex Output:
Original


Ex Input:
She had been trying to narrow down a new definition , mathematically stated , of quantum probability .

Ex Output:
Original


Ex Input:
I can 't take it anymore , so I bring my arm up and hurl the chain away from me as hard as I can .

Ex Output:

Original