Problem: How does the sentence end?

Joseph has a lot more whiteheads on his face than Joel does because
Answer: Joseph is going through puberty.

Problem: How does the sentence end?

Derrick gains energy from being alone but Matthew gains energy from being around people because
Answer: Matthew is an extrovert.

Problem: How does the sentence end?

There are hundreds of people under Robert's control, including Nelson, so
Answer: Robert gives the edicts.

Problem: How does the sentence end?

Cynthia has a lot of relatives, but Maria has no family, so
Answer:
Maria goes to visit their friends on Christmas.