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.

Q: ' What was it you worked on during your doughnut ? '

A: Changed
****
Q: You get seriously unhinged . "

A: Changed
****
Q: In the distance he could see a blotting of trees with a few maverick pioneer trees establishing themselves sparsely in the field .

A:
Changed
****