260922
According to preliminary government estimates , the Nakhichevan field may contain up to 300 billion cubic meters of natural gas and 40 million tonne of natural gas condensate .
 None
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:  
Answer:
 None