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:
Humans outnumber us , Sali , and it confuses things .

Ex Output:
Original


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

Ex Output:
Original


Ex Input:
" Damn guys , you didn 't have to git me .

Ex Output:

Changed