TASK DEFINITION: Given a factoid/trivia type question, generate the topic of the question. The topic is the entity the question talks about.
PROBLEM: Which was the title of the 7th and final book in the Chronicles of Narnia by C.S. Lewis?

SOLUTION: the chronicles of narnia

PROBLEM: On which date do we celebrate 'Boxing Day'?

SOLUTION: boxing day

PROBLEM: What was the name of Catherine Zeta Jones character in The Darling Buds of May?

SOLUTION:
the darling buds of may