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]: From across the lot , I met the broken face of the girl who was screaming my name , imploring me through her tears .
[A]: Original


[Q]: That is all IT is ... beat the competition ... ' ' Naturally ... by co-operating in mutual enhancement ? '
[A]: Changed


[Q]: Do your doctors know you 're walking over rooftops ?
[A]:
Original