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.

Ex Input:
" But I am a peasant . "

Ex Output:
Original


Ex Input:
They were hard to read compared with digital notebooks .

Ex Output:
Changed


Ex Input:
He smoothly turned her , taking her arm as though they were a couple on promenade .

Ex Output:

Original