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 conceded a step and his mouth fell open .

SOLUTION: Inversion

PROBLEM: You 've got be more careful , but I don 't mind helping you !

SOLUTION: Inversion

PROBLEM: A small parking lot had been created across the road , and I had to park there .

SOLUTION:
Original