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

Example Input: Which form of dementia is named after a German psychiatrist who first described it in 1906?
Example Output: dementia

Example Input: In which shipping forecast area are the Channel Islands?
Example Output: channel islands

Example Input: Which Madonna hit of the 1990s was taken from the soundtrack to the film Austin Powers 2?
Example Output:
austin powers: the spy who shagged me