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: He sent her a smile that seemed fake , and his eyes changed , as did his face .

SOLUTION: Inversion

PROBLEM: She poked at the flames , and the fire flared bright again .

SOLUTION: Original

PROBLEM: Her muscles were like steel under her soft coat , and her big paws were twitching to bat someone silly .

SOLUTION:
Original