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

Input: Consider Input: Who won the Women's Singles at the 2015 Australian Open Tennis Championships?

Output: the championships, wimbledon


Input: Consider Input: Who stars in the TV series Californication?

Output: californication


Input: Consider Input: What is the name of retired gunslinger, played by Clint Eastwood, in the 1992 film 'Unforgiven'?


Output: clint eastwood