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]: " That 's a horrible metaphor .
[A]: Original


[Q]: Before I could tell them to stop , Romeo launched himself forward and used Braeden as some kind of launching pad .
[A]: Original


[Q]: Madison just finished her freshman year in Washington , D.C. , at one of the top journalism programs in the country .
[A]:
Original