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The film was written and directed by Steven Paul and is based on the novel " Slapstick " ( 1976 ) by Kurt Vonnegut .
 person: Steven Paul; person: Kurt Vonnegut
Please list all entity words in the text that fit the category.Output format is "type1: word1; type2: word2". 
Option: location, person, organization 
Text: {0} 
Answer:
 person: Steven Paul; person: Kurt Vonnegut