Problem: How does the sentence end?

Adam had a personality disorder that caused rudeness to happen.
Answer: personality disorder was responsible for it.

Problem: How does the sentence end?

Betty won the class action lawsuit while Amy lost, because
Answer: Betty had a stronger case.

Problem: How does the sentence end?

Laura corrected Lindsey's recitation of a Catholic prayer, because
Answer: Laura was more picky about how it was said.

Problem: How does the sentence end?

Our dinner was at a restaurant, but our breakfast was homemade as the
Answer:
dinner was difficult to cook ourselves.