TASK DEFINITION: In this task you are given a sentence with one coordinating conjunction (for, and, nor, but, or, yet, and so). You must judge whether the order of two coordinated clausal conjoints have been inverted or not. Inversion would result in the sentence sounding unnatural. Label the instances as "Original" or "Inversion" based on your judgment.
PROBLEM: Michael hit him head-on , and the two of them tumbled over headstones .

SOLUTION: Original

PROBLEM: The wedding march begins and my stomach flutters .

SOLUTION: Original

PROBLEM: Thirty seconds passed , and he heard nothing .

SOLUTION:
Original