Question:
It was likely that Elena but not Betty had contracted malaria because

Answer:
Continue the sentence -- Elena had recently traveled to a third-world country.

Question:
Carrie bought a funny birthday card just for Sarah.

Answer:
Continue the sentence -- Sarah found it under her door.

Question:
When it comes to relationship advise, I would seek Samantha but not Patricia as

Answer:
Continue the sentence -- Patricia has never even been married.

Question:
Brian wrote a best selling story about Brett because

Answer:
Continue the sentence -- Brian was a great book author.