TASK DEFINITION: Given a factoid/trivia type question, generate the topic of the question. The topic is the entity the question talks about.
PROBLEM: In which shipping forecast area are the Channel Islands?

SOLUTION: channel islands

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

SOLUTION: the championships, wimbledon

PROBLEM: Occurring on 21 July 1861, on what was the first major land battle of the American Civil War?

SOLUTION:
american civil war