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:
" Sir , floods are up .

Ex Output:
Changed


Ex Input:
You were a walking and partying erection six days out of the week . "

Ex Output:
Original


Ex Input:
He stepped into the room , disturbing her as little as possible but even the door pushing her inward didn 't rouse her .

Ex Output:

Original