6636
A doctor said it was too early to say whether Popov , the only man to retain the Olympic 50 and 100 metres freestyle titles , would return to top-level sport .
 else: Olympic; person: Popov
Given options, please tell me the categories of all the listed entity words.Output format is "type1: word1; type2: word2". 
Option: location, else, organization, person 
Text: {0} 
 Entities: Olympic, Popov 
Answer:
 else: Olympic; person: Popov