In this task, you are given a question. You have to answer the question based on your information.

Example Input: Marié Digby an American singer, and songwriter, known for her acoustic cover version of which Rihanna song?
Example Output: Umbrella

Example Input: Grace Robinson, is an Australian track and field athlete competing in the disciplines of discus, javelin throw, and shot put, she represented Australia in women's shot put at the 2015 Commonwealth Youth Games was the fifth Commonwealth Youth Games, which started in what year?
Example Output: 2000

Example Input: Aleksandr Lyapunov and Israel Gelfand, share which mutual occupation?
Example Output:
mathematician