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 laughed , but without any merriment in his pale blue eyes .

Ex Output:
Original


Ex Input:
" Sir , floods are up .

Ex Output:
Changed


Ex Input:
There will be a lot of people on those lists , and the primary objective is to get any information we can on this Choate .

Ex Output:

Original