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

Example Input: Which cartoon character had friends called Velma Dinidey and Daphne Blake?
Example Output: daphne

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

Example Input: US veterinary pathologist Daniel Salmon (1850-1914) oversaw the discovery of what, named eponymously?
Example Output:
daniel elmer salmon