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 SF author wrote The Day it Rained Forever?

SOLUTION: the day it rained forever

PROBLEM: What is the official language of the Dominican Republic?

SOLUTION: dominican republic

PROBLEM: Who wrote 'The Carpet People', 'Hogfather', 'The Last Continent', 'Men At Arms', and 'Mote'?

SOLUTION:
the last continent