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: She presented him with her back and it was all Jason could do to pull the tab up instead of down .

Output: Original


Input: Consider Input: Myra stopped rotating into the tissue .

Output: Changed


Input: Consider Input: What he had known about the town of which he had never set foot outside in all his 21 years heavily reinforced the woman .


Output: Changed