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: A few nasty comments burrowed into my shortcomings as I walked out of the tunnel and into the night air .

Output: Changed


Input: Consider Input: Production lines slowed , then came to a standstill , because the workers were no longer showing up .

Output: Original


Input: Consider Input: It 's a chance to meet , mingle , get to know other people .


Output: Original