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:
My sorcery was weak here . "

Ex Output:
Original


Ex Input:
" Well , your listeners are hopefully already aware of who I 'm sleeping with . "

Ex Output:
Original


Ex Input:
To stare into it is to stare into the Pit itself .

Ex Output:

Original