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

Example Input: In which city will the 2014 Tour de France begin?
Example Output: 2014 tour de france

Example Input: Who was the father of Edward the Elder, the Anglo-Saxon King from 899 to 924?
Example Output: edward the elder

Example Input: Which American author wrote The Call Of The Wild, White Fang, The Sea Wolf and The Game?
Example Output:
the call of the wild