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.

As they came closer he could hear snatches of conversations .
Original

Talk with him about a merger .
Original

Joseph returned before sunset with supplies : food , flank , a first aid kit , and a knife .

Changed