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

[EX Q]: Betty Driver played which role in Coronation Street?
[EX A]: betty driver

[EX Q]: The rivers Axe, Brue, Cary, Parrett, eta, are in which English county?
[EX A]: castle cary

[EX Q]: What drink consists of vodka, Triple Sec, cranberry juice, and lime juice?
[EX A]:

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
cranberry juice

