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:
The singsong voice froze Holly in her tracks .
answer:
Changed


question:
He was camouflaged so well , Neil hardly noticed him .
answer:
Original


question:
The audience laughed and fixed their caps .
answer:

Original