Problem: How does the sentence end?

Amy had to change their car coolant but not Christine because the car of
Answer: Christine was cool.

Problem: How does the sentence end?

Aaron had very prominent collarbones but not Jason because
Answer: Jason had a very fat body.

Problem: How does the sentence end?

The work was more difficult than the task, because the
Answer: work had a lot more steps.

Problem: How does the sentence end?

James was hoarding gold instead of silver when deciding what to buy. The
Answer:
silver was less valuable.