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:
He was supposed to be happy and proud of being a banker , instead he was lurking in dejection and uncertainty .

Ex Output:
Original


Ex Input:
The realisation gives her host thanks , promising to return and finish her work with the roof .

Ex Output:
Changed


Ex Input:
" In the face of this greatness , I feel pretty small and insignificant . "

Ex Output:

Original