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.

Q: Because of this , they 're usually ranked three stars and above , " Saga explained .

A: Original
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Q: The toilet flushed , and shopkeeper turned back to watch Oksana emerge from the bathroom .

A: Changed
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Q: Romain had been living out on the Compound without services .

A:
Changed
****