Problem: How does the sentence end?

Amy screamed and cried louder than Felicia when they were at the doctor's office because
Answer: Amy had a broken toenail.

Problem: How does the sentence end?

The coin collection sold for more than the card collection as auction, because the
Answer: card collection was common.

Problem: How does the sentence end?

Craig saw that Dennis was nervous for the exam.
Answer: Craig was very confident he had studied enough.

Problem: How does the sentence end?

Justin liked to collect memorabilia long before Kenneth did so
Answer:
Kenneth knows less about it.