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 jumped in Colt 's truck and grabbed the keys from the RV .

Output: Changed


Input: Consider Input: You 'd catch them at recess in places they knew they were not allowed to be .

Output: Original


Input: Consider Input: Scientists say that the game fish population is grumbling underneath the layer of dead carp .


Output: Changed