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: Once they were all gathered at the door, he tapped the knocker iron.

SOLUTION: Inversion

PROBLEM: She didn't want anyone else to get in as easily as they did.

SOLUTION: Original

PROBLEM: The life of a sea captain was hard and lonely any for man, but when a loving wife waits, it makes it all worthwhile.

SOLUTION:
Inversion