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:
There were several messengers in the eastern part of Tennessee , strewn across the crooked edge of the state like minefields in its history .

Ex Output:
Changed


Ex Input:
Only the whites of her eyes showed .

Ex Output:

Original