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

Example Input: In which country was actor Basil Rathbone born?
Example Output: basil rathbone

Example Input: I which European city will you find 'Dam Square'?
Example Output: dam square

Example Input: to which group of Scottish islands do 'Auskerry, Burray and Cava' belong?
Example Output:
burray