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: What did Banting and Best discover in 1921?
Example Output: charles herbert best

Example Input: Aneto, at 3404 metres, is the highest mountain in which mountain range?
Example Output:
aneto