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 knew he must wait , but Nick 's body ached to take her .

SOLUTION: Inversion

PROBLEM: I was ordinary and that was extraordinary .

SOLUTION: Original

PROBLEM: He pretends to be unruffled , but I note he 's gotten shaky .

SOLUTION:
Original