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

Example Input: Who, as the first chairman of the British Rail Board, infamously directed the huge reduction in railway lines across the UK in the 1960s?
Example Output: british railways board

Example Input: In which opera does a hunchback jester help his master, the Duke of Mantua, to seduce the daughter of a courtier?
Example Output: duke of mantua

Example Input: Musicians Sally and Ben Taylor are the children of James Taylor, and which other singer-songwriter?
Example Output:
sally taylor