Given a factoid/trivia type question, generate the topic of the question. The topic is the entity the question talks about.

Input: Consider Input: What did Banting and Best discover in 1921?

Output: charles herbert best


Input: Consider Input: Which city has sports teams known as the 'Maple Leafs' and the 'Blue Jays'?

Output: toronto blue jays


Input: Consider Input: Bianca is the younger sister of Katherina in which Shakespeare comedy play?


Output: bianca