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.

The other students were determined to master the representative and then never use it again .
Changed

Was she doing Cammie and Travis a huge disservice by not staying and allowing Donovan to bring a doctor in for Cammie ?
Original

But it was only ten years old , was in excellent shape , and had a beautifully landscaped , low-maintenance yard and lots of break-ins .

Changed