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: " Well , your listeners are hopefully already aware of who I 'm sleeping with . "

Output: Original


Input: Consider Input: But the alternative is a whole can of worms I flinch at the thought of opening .

Output: Original


Input: Consider Input: The access key had allowed him to tap an unimaginable river , a tempest as vast as the ocean .


Output: Original