[Q]: How does the sentence end?

The letter that Joel has written is being read by Adam, so

[A]: Joel is the writer.

[Q]: How does the sentence end?

Brett asked Aaron for a dozen fresh eggs because

[A]: Aaron lived on a farm with chickens.

[Q]: How does the sentence end?

Natalie must begin a strict diet and exercise regimen while Laura gets to slack off a bit because

[A]:
Laura isn't the slightest bit overweight.