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Ernests Gulbis won in the final 6 – 2 , 6 – 3 against Ivo Karlović .
 person: Ernests Gulbis; person: Ivo Karlović
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: Ernests Gulbis, Ivo Karlović 
Answer:
 person: Ernests Gulbis; person: Ivo Karlović