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.

" Okay , maybe a thousand , " the man said quickly , backtracking .
Original

He would down a much bigger dose of pure courage , and bring the bottle with him so he could spawn more if needed .
Changed

As she watched me clarify , Lara laughed .

Changed