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:
" Well , then no one can fulfil your holding full Mage status .

Ex Output:
Changed


Ex Input:
I thought it was a mirage .

Ex Output:
Original


Ex Input:
The Coast Guard was notified .

Ex Output:

Original