instruction:
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.
question:
Mack 's breeding was a pleasant surprise .
answer:
Changed


question:
Cameron 's keypad came off , then his cravat and collar , giving Ainsley a fine view of his bare , damp throat .
answer:
Changed


question:
Chris Van Horn , a lead scientist , wraps up the buggy and asks for questions .
answer:

Changed