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:
A heavy mist rose from it , dissipating in wisps over the rocks and the sea .

Ex Output:
Original


Ex Input:
Who set up the bombing ?

Ex Output:
Original


Ex Input:
" As we issue our answer to Thera , we include , covertly of course , the documentation we have . "

Ex Output:

Changed