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: Someone did our work for us -- and thank God for that, because it looks like he put up hell one of a fight.

Output: Inversion


Input: Consider Input: The neighborhood park bordered a steep and densely forested ravine and so there was no shortage of inconspicuous places for David to unwind.

Output: Original


Input: Consider Input: The army of agile hunters were still stalking and pursuing their prey, probably counting down seconds the until they could sink their fangs into their feast.


Output: Inversion