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]: ' We 're at the end of the wharf , father .
[EX A]: Original

[EX Q]: Production lines slowed , then came to a standstill , because the workers were no longer showing up .
[EX A]: Original

[EX Q]: " I note , " Amara said drily , " that your choice of imps , Cursor , is not quite the Academy standard . "
[EX A]:
Changed