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

Input: Consider Input: Who was Domenikos Theotocopoulos better known as?

Output: museum of el greco


Input: Consider Input: The 1987 film 'Roxanne' was adapted by actor Steve Martin from which Edmond Rostand play?

Output: roxanne


Input: Consider Input: Which Delta blues musician, according to legend, met the Devil at a crossroad and received mastery of the guitar in return for his soul?


Output: delta blues