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

Input: Consider Input: Which sprinter lit the Olympic flame at the 2000 Summer Olympic Games in Australia?

Output: 2000 summer olympics

Input: Consider Input: What horse won the 2009 Grand National?

Output: 2009 grand national

Input: Consider Input: What is the most north easterly of the contiguous US states?
Output: united states