Problem: How does the sentence end?

Matthew made a complex graph but not Ian because
Answer: Ian taught a class at a basic level.

Problem: How does the sentence end?

Samantha's recent health has been a very big problem unlike Monica's because
Answer: Samantha was diagnosed with cancer.

Problem: How does the sentence end?

Dennis gives his money to the homeless whenever he can as opposed to Aaron, because
Answer: Aaron has a small salary.

Problem: How does the sentence end?

Jason, who was taking medicine to help, and Dennis had issues paying attention.
Answer:
Jason paid attention to the lecture.