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He also won four gold medals at the 1954 world championships , sharing the all-around gold medal with Viktor Chukarin and the floor gold medal with Masao Takemoto .
 person: Viktor Chukarin; person: Masao Takemoto
Given options, please tell me the categories of all the listed entity words.Output format is "type1: word1; type2: word2". 
Option: media, plant, vehicle, astronomical object, time, disease, animal, location, person, organization, mythical figure, food, biology, geographical phenomenon, instrument, event 
Text: {0} 
 Entities: Viktor Chukarin, Masao Takemoto 
Answer:
 person: Viktor Chukarin; person: Masao Takemoto