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: he asked, devouring his first piece and starting on a second.

Output: Original


Input: Consider Input: I swear I don't know who's more territorial, you or the wolves.

Output: Original


Input: Consider Input: A descended spider from the rafters on a strand of silk.


Output: Inversion