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: " I 'm just here to check Max 's machinations .

Output: Changed


Input: Consider Input: " For the necromancer , " he said .

Output: Changed


Input: Consider Input: " If you connect them , they form a spiral and you 'll note that they increase in density as they reach the spiral 's center . "


Output: Original