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: Jason tried to articulate his guilt by telling himself that Hope would end up happier in the long run , but that didn 't help him now .

Output: Changed


Input: Consider Input: The falcon screeched and dove at one of the enemies .

Output: Original


Input: Consider Input: Once more the cockroach climbed his stand .


Output: Changed