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.

Bodies began falling from the gaping holes of the buildings , stoking the lawn around the buildings .
Changed

When I look at her , the vacancy in her eyes has dwindled and she resembles the same mom I saw right before I took her life .
Original

We sailed for a few hours while I taught her some advantages of boating 101 .

Changed