Problem: How does the sentence end?

Jeffrey needed more coffee than Ryan did at the meeting because
Answer: Jeffrey was feeling sleepy.

Problem: How does the sentence end?

Kenneth asked Kyle what time the reality show came on because
Answer: Kyle had a good memory.

Problem: How does the sentence end?

More birds were in the garden than in the park because the
Answer: garden had fresh fruit.

Problem: How does the sentence end?

Elena had a stronger immune system than Rebecca , so
Answer:
Elena avoided getting pneumonia that year.