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.

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

Output: Inversion


Input: Consider Input: He drunk had my blood.

Output: Inversion


Input: Consider Input: The other guard demanded.


Output: Original