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:
You 'd catch them at recess in places they knew they were not allowed to be .

Ex Output:
Original


Ex Input:
I don 't like deceiving her but it 's safer that way . '

Ex Output:
Original


Ex Input:
That couldn 't possibly have been deep enough to leave any blood , much less enough to smear across your hands !

Ex Output:

Original