Problem: How does the sentence end?

Donald had light skin that would blister in the sun but Christopher didn't, therefore
Answer: Christopher didn't need a high SPF lotion.

Problem: How does the sentence end?

Tanya liked calculating numbers and thinking while Victoria did not. As a result,
Answer: Victoria did very terrible in math class.

Problem: How does the sentence end?

Angela helped Megan plan her formal wedding because
Answer: Megan lacked a strong sense of style.

Problem: How does the sentence end?

Monica found Kayla quite attractive, so
Answer:
Monica sent a gift and a card expressing their inner feelings.