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 lower lip trembled and she shook her head.

Output: Original


Input: Consider Input: Z cocked head his toward the pup who sat on the table with his nose pressed into the crook of her elbow.

Output: Inversion


Input: Consider Input: He burst out laughing, but it wasn't funny.


Output: Original