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: I wasn 't expecting so many , but Merrill warned me they might be there .

SOLUTION: Inversion

PROBLEM: It was the sweetest , craziest , most romantic thing I 'd ever witnessed , and I didn 't know what to make of it .

SOLUTION: Original

PROBLEM: He shook his head , and the grin grew wider .

SOLUTION:
Inversion