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: When they pulled up to Evergreen Square , the closest shopping plaza to their house , the emptiness got louder .

Output: Original


Input: Consider Input: He continued to run over the bandits .

Output: Changed


Input: Consider Input: He stepped over to his Steinway baby grand and checked the tuning on one of his guitars .


Output: Original