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: It just seemed much more fun when all the bystanders participated .

Output: Changed


Input: Consider Input: " Twenty minutes tomorrow and you will lose all privileges for a week if you say one more bad word . "

Output: Original


Input: Consider Input: They basically promise investors higher returns than other investments but they usually pay them with their own money or give them short-term returns from the newer investors .


Output: Original