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:
His thick , muscular arms were accentuated by a sleeveless top .

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:
You flew in from Chicago the day before the accident with the crane , and flew back to Chicago two days later .

Ex Output:

Original