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

Input: Consider 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?

Output: british railways board


Input: Consider Input: In which range of mountains are the two highest peaks Aconcagua and Ojos Del Salado?

Output: aconcagua


Input: Consider Input: The battle of Crecy was fought during which war?


Output: battle of crecy