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.

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

Output: Original


Input: Consider Input: ' undress , ' Brick screamed .

Output: Changed


Input: Consider Input: For tonight the darkness smelled not of rotting flesh but of mutiny .


Output: Original