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

Input: Consider Input: In 1867 who became the first Prime Minister of Canada?

Output: prime minister of canada


Input: Consider Input: Which play and film was adapted from a story by Christopher Isherwood and later adapted as the musical and film Cabaret?

Output: cabaret


Input: Consider Input: Which boxer did Muhammad Ali beat in September 1978 to become the only 3-time world heavyweight champion?


Output: boxing