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

Ex Input:
According to the bible, Zaccariah was the father of which New Testament figure?

Ex Output:
bible

Ex Input:
Who was the only British medal winner at the 2010 Winter Olympics?

Ex Output:
2010 winter olympics

Ex Input:
Which group recorded the early heavy-metal classic Very 'Eavy Very 'Umble?

Ex Output:
heavy metal music