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:
Before I could tell them to stop , Romeo launched himself forward and used Braeden as some kind of launching pad .

Ex Output:
Original


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

Ex Output:
Original


Ex Input:
His fingers moved to test her readiness and found hot velvet clenching around him , found her needing him with the same urgency he felt .

Ex Output:

Original