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.

Input: Consider Input: That wasn 't to say Rose wasn 't a sucker for interrogations .

Output: Changed


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

Output: Changed


Input: Consider Input: The woman , Natalie Simon , I knew from other business establishments .


Output: Changed