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: Witnesses say it suddenly changed direction, and it put David right in its path.

SOLUTION: Original

PROBLEM: He opened his mouth to reply and found himself saying nothing, his face turning warm.

SOLUTION: Original

PROBLEM: Must very be convenient.

SOLUTION:
Inversion