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

Answer: Changed


Question: When they crossed in front of the stump they raised their paddles into the air and shouted , " We 're the champs !

Answer: Original


Question: He shook his head , feeling like Daffy Duck doing an over-the-top wet , slobbery hunk .

Answer:
Changed