Given a question and a context passage, generate the answer having the word or phrase from the context passage. Here, the answer should be a shortest continous span from the passage.
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Question: Context: Constantin von Lahnstein is a fictional character on German soap opera Verbotene Liebe (Forbidden Love) and was portrayed by actor Milan Marcus. 
 Question: Which show is Constantin von Lahnstein in?

Answer: verbotene liebe


Question: Context: Rudolf Teschner (16 February 1922, Potsdam -- 23 July 2006, Berlin-Steglitz) was a German chess master and writer. 
 Question: What nationality of Rudolf Teschner?

Answer: german


Question: Context: The Prima Esposizione Internazionale d'Arte Decorativa Moderna (English: First International Exposition of Modern Decorative Arts), held in Turin, Italy, in 1902 (opened 10 May), was a world arts exhibition that was important in spreading the popularity of Art Nouveau design, especially to Italy. 
 Question: The art style of Prima Esposizione Internazionale d'Arte Decorativa Moderna is what?

Answer:
art nouveau