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:
And maybe Kylie was wrong to feel angry , or maybe she wasn 't so much angry as she was just tired of playing second verse .
answer:
Changed


question:
It just seemed much more fun when all the bystanders participated .
answer:
Changed


question:
The key was kept on the mantelpiece of the great fireplace , but he had a duplicate .
answer:

Original