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:
What a waste of time it will have been , if the egg has already hatched . "

Ex Output:
Original


Ex Input:
" That hurt like hel . "

Ex Output:
Original


Ex Input:
He was venturing another bag of presents onto his back , and was dressed up as Santa Claus .

Ex Output:

Changed