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:
' I 'm saying nothing that will grieve me . '
answer:
Changed


question:
They were hard to read compared with digital notebooks .
answer:
Changed


question:
The auto pilot took over and read through the data it had been sent by The Hero 's tankard .
answer:

Changed