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]: " Almost everything is paid for with vouchers or coupons that you buy from a guard . "
[EX A]: Original

[EX Q]: It takes very little energy , and it 's an easy way to motivate people to do things .
[EX A]: Original

[EX Q]: " Sit down and play with us , " Annie urged , intent on a game named after the television show domination of Fortune .
[EX A]:
Changed