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: Maybe this't wasn worth dwelling on.

SOLUTION: Inversion

PROBLEM: Constance was olive skinned and her eyes were green.

SOLUTION: Original

PROBLEM: He shook head his.

SOLUTION:
Inversion