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: He specializes in spyware . "

Output: Original


Input: Consider Input: She hated glass eggshells .

Output: Changed


Input: Consider Input: His eyes narrowed at my confinement .


Output: Changed