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

Example Input: In 1951, which European country saw the abdication of King Leopold lll in favour of his son Baudouin?
Example Output: baudouin of belgium

Example Input: The Briish Airways subsidiary BA Connect was sold to which other airline?
Example Output: airline

Example Input: In which famous film did Michael Caine play a character named Charlie Croker?
Example Output:
charlie croker