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 mixer whirled and whirled .
answer:
Original


question:
On Nick 's plate were pie and cookies , next to it sat a tall vanilla milkshake .
answer:
Original


question:
He had noticed several antiques when he 'd followed Alex in earlier .
answer:

Original