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: Jeffrey had no idea what it was or why it was necessary.

SOLUTION: Original

PROBLEM: He wished he didn't have to go to Richard's retirement party tomorrow.

SOLUTION: Original

PROBLEM: He turned to Kelly.

SOLUTION:
Original