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

A: Changed
****
Q: He lets his right hoof hit the bag .

A: Changed
****
Q: We do everything possible not to knock anyone else , lapse into them , jostle their containers .

A:
Changed
****