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 stilled , his muscles cramping from strain .
[EX A]: Changed

[EX Q]: " Look , Ares , " the pediatrician said .
[EX A]: Changed

[EX Q]: And then not only is the city al ours , other cheerleaders wil know not to mess with us .
[EX A]:
Changed