instruction:
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:
Alan stepped toward Marcus , the barrel of the AR-15 digging into his cassock .
answer:
Changed


question:
All week he 'd wormed his will not to go near the girl .
answer:
Changed


question:
She was a quick once-over , faster than I had been , and within an hour she had made a pen and a tiny yellow butterfly appear .
answer:

Changed