Problem: How does the sentence end?

The teeth of Katrina are more yellow than Laura's due to
Answer: Katrina drinking mostly coffee all the time.

Problem: How does the sentence end?

Robert was worried about Nick since his backpack was so heavy.
Answer: Nick was given one with wheels.

Problem: How does the sentence end?

The dog liked Carrie but it didn't like Christine very much because
Answer: Carrie always fed it.

Problem: How does the sentence end?

Benjamin did not want to play tiddlywinks with Christopher any more even though
Answer:
Benjamin always won.