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.
--------
Question: " Sir , floods are up .

Answer: Changed


Question: Kids call me " Morning " as a nickname ' cause my affections are A.M. .

Answer: Changed


Question: He was told the new drive impellers would work exactly like the originals .

Answer:
Original