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.

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

[EX Q]: Wow , talking to you must have deceived me !
[EX A]: Changed

[EX Q]: " Because you make decisions based on your own cleverness , your own reasons , without once thinking about what the other person may want .
[EX A]:
Changed