An answer is given. Generate a question for which the given answer is either a direct or partial answer.

Ex Input:
Answer: liver

Ex Output:
what is the largest organ of the digestive system?

Ex Input:
Answer: susanna m. salter

Ex Output:
who was the first woman to be mayor?

Ex Input:
Answer: guadiana

Ex Output:
which rivers flow through portugal and where do they flow into?