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: " Of course she knew all about pottery . "

Output: Original


Input: Consider Input: As she 'd thought he might , he yanked her closer and kissed her , his lips mashing hers without any semblance of advancement .

Output: Changed


Input: Consider Input: " Besides , " he went on , " the teachers aren 't going to deter us anything critical right now .


Output: Changed