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.
--------
Question: Everyone was up by the time we got back , and most were already in their bathing suits and working on their tans .

Answer: Original


Question: That is all IT is ... beat the competition ... ' ' Naturally ... by co-operating in mutual enhancement ? '

Answer: Changed


Question: " I was just ... " Are you supposed to talk about puking with a man ?

Answer:
Original