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 wonder how long he 'll feel the need to do that , and I know that he holds back for me .

SOLUTION: Inversion

PROBLEM: Mexico threatened half a dozen nations in South America and when I started , Belize was in ruins .

SOLUTION: Inversion

PROBLEM: Intense pain overtook my body and I tried to sit up .

SOLUTION:
Inversion