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Obuya first played cricket at the Under-19s World Cup of 1998 , where he starred as the opening batsman .
 person: Obuya
Given options, please tell me the categories of all the listed entity words.Output format is "type1: word1; type2: word2". 
Option: location, person, organization 
Text: {0} 
 Entities: Obuya 
Answer:
 person: Obuya