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:
Production lines slowed , then came to a standstill , because the workers were no longer showing up .

Ex Output:
Original


Ex Input:
The problem that she struggled with , that hung around her neck like a noose , was being terrified of falling in love again .

Ex Output:

Original