In this task you are given a sentence. You must judge whether there exist two consecutive words within the sentence with flipped orders, that is, whether the sentence will make sense and be correct if the order of two consecutive words changes. Label the instances as "Inversion" or "Original" based on your judgment.

Example Input: Her face returned to its original expression which is a of mix boredom and regret.
Example Output: Inversion

Example Input: I felt sorry for the guy.
Example Output: Original

Example Input: If touching the brick wall outside had netted nothing, his primary reaction to walking into his ancestral home was an all-encompassing dividend of self-doubt.
Example Output:
Original