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: ' You ' as in blogs , in general ? "

Output: Changed


Input: Consider Input: " I knew that establishment was being filmed ; only a fool wouldn 't expect those rooms were videoed .

Output: Changed


Input: Consider Input: " Art , you 're responsible for coordinating all of the facility computers and to improve their decision and communication abilities .


Output: Original