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

Example Input: Which 'Coronation Street' character was played for may years by Jean Alexander?
Example Output: jean alexander

Example Input: Which biologist was known as Darwin's Bulldog?
Example Output: charles darwin

Example Input: Who is the mother of Finty Williams, the actress who provides the voice of the cartoon character 'Angelina Ballerina'?
Example Output:
angelina ballerina