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

Example Input: Who played 'Emma Peel' in the 1998 film 'The Avengers'?
Example Output: the avengers

Example Input: In 1981, in a move that met with considerable controversy, the Agriculture Department in the US proposed classifying pickle relish and what other condiment as vegetables in order to save money on school lunch programs?
Example Output: condiment

Example Input: Brian Connolly was the lead singer of which 70s group?
Example Output:
brian connolly