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: What are we going to do ?

SOLUTION: Original

PROBLEM: Sand stuck to his knees and the hem his of board shorts.

SOLUTION: Inversion

PROBLEM: Her desk or pretend vanity, and folding a metal chair completed her vast collection of furniture.

SOLUTION:
Inversion