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 look into the eyes of a berserker, a product of war, a machine for killing.

SOLUTION: Original

PROBLEM: What he was saying ?

SOLUTION: Inversion

PROBLEM: He looked up when he felt us standing in front of him.

SOLUTION:
Original