TASK DEFINITION: Given a factoid/trivia type question, generate the topic of the question. The topic is the entity the question talks about.
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: Kronos (or Cronus) was the Greek equivalent of which Roman god?

SOLUTION: cronus

PROBLEM: Which group recorded the albums 'Gaze' and 'Painting It Red' and 'Blue is the colour'?

SOLUTION:
blue is the colour