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]: He specializes in spyware . "
[EX A]: Original

[EX Q]: The sport was too engaging to think about anything except where to aim the felon .
[EX A]: Changed

[EX Q]: Our entrance into the restaurant parking lot , at a faster pace than we left it , depicted a bit of tire squeal .
[EX A]:
Changed