1849
In August , head to a digital media event in Montreal , Hong Kong or St . Petersburg : http://t.co/4CtWXW7qii
 location: Montreal; location: Hong Kong; location: St . Petersburg
Please list all entity words in the text that fit the category.Output format is "type1: word1; type2: word2". 
Option: location, person, organization 
Text: {0} 
Answer:
 location: Montreal; location: Hong Kong; location: St . Petersburg