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

Example Input: Which British Prime Minister delivered the 'Winds of Change' speech in 1960?
Example Output: wind of change

Example Input: Who won the Women's Singles at the 2015 Australian Open Tennis Championships?
Example Output: the championships, wimbledon

Example Input: With which specific art form do you associate the American Alexander Calder?
Example Output:
alexander calder