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 Bob Dylan song begins You got a lotta nerveTo say you are my friend. When I was down, You just stood there grinning?

SOLUTION: bob dylan

PROBLEM: What is the name of the US electric car manufacturer, founded in 2003, whose cars include the Model S and the Model X?

SOLUTION: tesla model s

PROBLEM: With which boy-band did Mariah Carey cover the Phil Collins hit 'Against All Odds'?

SOLUTION:
against all odds