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The 2010 World Sprint Speed Skating Championships was held between 16 January and 17 January 2010 at the Meiji Hokkaido-Tokachi Oval in Obihiro , Hokkaidō .
 location: Obihiro , Hokkaidō
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: Obihiro , Hokkaidō 
Answer:
 location: Obihiro , Hokkaidō