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:
And everything I have on this boat is covered with soot . "

Ex Output:
Original


Ex Input:
" I clean lavatory in breastplate . "

Ex Output:
Changed


Ex Input:
It gives us some clarification , but I 'm not sure how long Stryker will abide by it . "

Ex Output:

Changed