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On 6 May 1969 , he met with director Yuri Ilyenko and offered him to compose a script based on his idea .
 person: Yuri Ilyenko
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: Yuri Ilyenko