12844
Gazprom , Russia 's biggest company by market capitalisation , has massive reserves and potentially huge earnings .
 organization: Gazprom; location: Russia
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: Gazprom, Russia 
Answer:
 organization: Gazprom; location: Russia