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: Her shoulders convulsed with burning tears , and her throat closed over the words .

SOLUTION: Inversion

PROBLEM: * * * Lexi pedaled up Main Street and parked her bike in front of Scot 's office .

SOLUTION: Original

PROBLEM: He kept his close at hand , and smartphones were good .

SOLUTION:
Inversion