instruction:
Given a factoid/trivia type question, generate the topic of the question. The topic is the entity the question talks about.
question:
Charon is a moon which orbits which body?
answer:
charon


question:
What actress, born in Muscat, Oman, began acting on Australian television on Paradise Beach and Home and Away and is known for her roles in Wedding Crashers (2005), Hot Rod (2007), Definitely, Maybe (2008) and Confessions of a Shopaholic (2009)?
answer:
definitely, maybe


question:
'Five Points' was the setting for which 2002 Martin Scorsese film starring Daniel Day-Lewis, Leonardo DiCaprio, Cameron Diaz and Liam Neeson?
answer:

Show your work and conclude with the exact phrasing "Therefore, the final answer is [answer]." where [answer] is just the final number or expression that solves the problem.
user
martin scorsese


