TASK DEFINITION: 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.
PROBLEM: I sighed and back lay on the grass.

SOLUTION: Inversion

PROBLEM: Somehow he knew it wasn't a command to stop, but an encouragement to go farther.

SOLUTION: Original

PROBLEM: Here you go, puppy dog.

SOLUTION:
Original