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

Input: Consider Input: Which British composer wrote the music used as the theme for Desert Island Discs  He also wrote the Dambusters march and the Knightsbridge march.?

Output: the dam busters


Input: Consider Input: Which 'Coronation Street' character was played for may years by Jean Alexander?

Output: jean alexander


Input: Consider Input: Who composed Appalachian Spring (in ballet)?


Output: appalachian spring