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: An advance on his grenades was what he wanted so he had said .

Output: Changed


Input: Consider Input: After he 'd heard her weeping and later discovering the shredded lettuce , he had thought she already had , albeit briefly .

Output: Changed


Input: Consider Input: I almost gave my virginity to Netherland 's # 1 pm , that 's what .


Output: Changed