Given a factoid/trivia type question, generate the topic of the question. The topic is the entity the question talks about.

Example Input: Ageusia is the loss of which sense?
Example Output: ageusia

Example Input: Responsible for such films as 'Saving Private Ryan' and 'Gladiator', which film Production Company was founded by Steven Spielberg, Jeffrey Katzenberg and David Geffen in 1994?
Example Output: saving private ryan

Example Input: Who Directed the 2008 film 'Indiana Jones And The Kingdom Of The Crystal Skull'?
Example Output:
indiana jones and the kingdom of the crystal skull