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:
He was camouflaged so well , Neil hardly noticed him .

Ex Output:
Original


Ex Input:
Wesley was one of the first to be interviewed .

Ex Output:
Original


Ex Input:
It was like a boundary separating two worlds and the moment we reached the other side of it ; we were already in another dimension .

Ex Output:

Original