Question: What is the question to: "Metformin ( BP , pronounced , ; originally sold as Glucophage) is an oral antidiabetic drug in the biguanide class."? The topic is Metformin.
Answer: "what is metformin used for?"

Question: What is the question to: "Go Daddy or Go Daddy Group Inc. is a privately held company that is primarily an internet domain registrar and web hosting company."? The topic is Go Daddy.
Answer: "what is go daddy.com??"

Question: What is the question to: "A leasehold estate is an ownership of a temporary right to hold land or property in which a lessee or a tenant holds rights of real property by some form of title from a lessor or landlord ."? The topic is Leasehold estate.
Answer:
"what is leasehold; real estate?"