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 toilet flushed , and shopkeeper turned back to watch Oksana emerge from the bathroom .
Changed

I didn 't just yearn for his affection , or want to become one with him .
Original

they all cackled as if they had does this routine before .

Changed