Problem: How does the sentence end?

Their mother trusted Derrick over Dennis with the car because
Answer: Dennis was more reckless when driving.

Problem: How does the sentence end?

The wedding ring fell into the drain pipe, but the necklace didn't fall. The
Answer: necklace was safe.

Problem: How does the sentence end?

Jennifer showed Victoria how to make a patchwork quilt since
Answer: Jennifer knew they had never made one before.

Problem: How does the sentence end?

Jeffrey was sick with the stomach flu and not hungry, but Christopher was starving.
Answer:
Christopher ordered food.