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: The first song she 'd put on was her present favorite , Pink 's latest , but it was near the end of the playlist .

A: Original
****
Q: She presented him with her back and it was all Jason could do to pull the tab up instead of down .

A: Original
****
Q: Bob and Steve were sitting on their purloined spots on my sofa wearing stilettos with the expressions of complete indifference on their faces .

A:
Changed
****