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: A false accusation could reduce everything . "

Output: Changed


Input: Consider Input: Collecting secret information , surveillance , unarmed combat , shooting , blackmail , sabotage , contractor , jungle survival -- bah !

Output: Changed


Input: Consider Input: Immediately my head started to undress .


Output: Changed