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:
" Oh , you 've met her applications ? "

Ex Output:
Changed


Ex Input:
We got in to the dim cave and immediately threw some flairs and sound judgments , I guess there are perks to being a government agent .

Ex Output:

Changed