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: They reached the without inn any trouble.

SOLUTION: Inversion

PROBLEM: Mother's warm hearth would appear from time to time like some evil mirage.

SOLUTION: Original

PROBLEM: He sat speaking without for a while.

SOLUTION:
Inversion