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: Which football team play home games at Bloomfield Road?
Example Output: bloomfield road

Example Input: Which 18th-19th Century English artist painted 'Hannibal Crossing The Alps' and 'Dido Building Carthage'?
Example Output:
dido building carthage