[Q]: How does the sentence end?

Kevin lives in Maine, and Matthew lives in Texas, so

[A]: Kevin lives north of the Mason-Dixon line.

[Q]: How does the sentence end?

Lindsey loves to study and delves deeply into her subjects, Emily does not therefore

[A]: Lindsey plans to be a professor.

[Q]: How does the sentence end?

Dennis had a quieter class than Robert did because there were more children in the class of

[A]:
Robert .