5255
Live : Barack Obama and David Cameron give joint news conference after G 7 summit http://t.co/ocaaOJszZ8
 person: Barack Obama; person: David Cameron; organization: G 7
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: Barack Obama, David Cameron, G 7 
Answer:
 person: Barack Obama; person: David Cameron; organization: G 7