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.

Unfortunately, I hadn't considered how we were going to get into the once city we reached it.
Inversion

I picked out four books and checked them out, updating my old library card in process the.
Inversion

Corporal Warren went first.

Original