Task: Question Generation
Input (English): Venus Williams and Serena Williams (born June 17, 1980, and September 26, 1981, respectively) are professional tennis players and sisters who have faced off 29 times in professional tournaments, most recently in the 2018 Indian Wells Masters 1000 event. Serena leads their head-to-head 17--12.
Output (English): do venus and serena play against each other?