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]: Like in our own little payback . "
[EX A]: Changed

[EX Q]: And how come you are familiar with the infirmary ?
[EX A]: Changed

[EX Q]: Sandals or not , she had better put a move on , hustle , put the intellect to the metal , get the lead out .
[EX A]:
Changed