Problem: How does the sentence end?

Mary took the bedroom by the patio rather than the one by the kitchen because the 
Answer: patio window let in more sunlight.

Problem: How does the sentence end?

Joshua was going to skip the concert because he had homework; luckily, the 
Answer: homework was quick so he could go.

Problem: How does the sentence end?

Patricia was getting divorced after 30 years of marriage and got very little while Lindsey got a lot. 
Answer: Patricia was unselfish.

Problem: How does the sentence end?

Donald liked the taste of mayonnaise on a sandwich but Steven liked mustard better. 
Answer:
Steven bought some French's mustard at the market.