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 know where we can have a shootout with some cops !

Output: Original


Input: Consider Input: It was an old heavy building , built of devastation and stone , that looked like it had grown slowly up from the forest floor .

Output: Changed


Input: Consider Input: The sound gurgled a bit .


Output: Changed