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: Pure speculations, but they make me feel sick nonetheless.

SOLUTION: Original

PROBLEM: Her heart seized in her chest.

SOLUTION: Original

PROBLEM: Elena spent most of her time in the main hall, curled up on the sofa in front of the hearth, sometimes reading, sometimes napping.

SOLUTION:
Original