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 country mainly makes up the Horn of Africa?

SOLUTION: africa

PROBLEM: The 1981 film Chariots of Fire featured the achievements of Harold Abrahams and which Scottish missionary who refused to run in the 100m heats on a Sunday and instead won the 400m Gold Medal in the 1924 Olympics?

SOLUTION: chariots of fire

PROBLEM: What is the name of the girlfriend of Bill Sykes who he murders in the Dickens novel 'Oliver Twist'?

SOLUTION:
bill sikes