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

Example Input: Who painted The Card Players, at Feb 2012 the most expensive artwork in the world?
Example Output: the card players

Example Input: Austin is the state capitol of which US State?
Example Output: austin, texas

Example Input: Cotswold, Southdown, Dorset, Lonk and Lincoln are breeds of what animal?
Example Output:
cotswold sheep