TASK DEFINITION: Given a factoid/trivia type question, generate the topic of the question. The topic is the entity the question talks about.
PROBLEM: Charlie Chaplin who died on Christmas Day in 1977, co founded which film studio along with Mary Pickford, Douglas Fairbanks?

SOLUTION: douglas fairbanks

PROBLEM: With what sport is Dennis Compton associated?

SOLUTION: denis compton

PROBLEM: What was the title of the fourth 'Alien' film starring Sigourney Weaver ?

SOLUTION:
sigourney weaver