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:
When her lips parted , I expected a string of thorns to come flying out .

Ex Output:
Changed


Ex Input:
Your nightly search might be merely a manifestation of the stress of what happened to you that day .

Ex Output:
Original


Ex Input:
They rode out of the grove of trees at a canter and crossed a wide green meadow where brown and white spotted cows grazed in knee-deep grass .

Ex Output:

Original