Problem: How does the sentence end?

William cleaned their shower stall daily but Adam only did it monthly. 
Answer: William never had soap scum on their shower glass.

Problem: How does the sentence end?

The area was easier to navigate for Aaron than for Jason because 
Answer: Aaron used to have a house there.

Problem: How does the sentence end?

Bob planted a row of trees rather than a row of shrubs because the 
Answer: trees offered more privacy.

Problem: How does the sentence end?

Emily likes to go the movies on dates, while Natalie prefers a nice dinner. 
Answer:
Natalie is a food buff.