39791
Filmed live on 30 March in front of 14,000 at The O2 Arena in London , it was broadcast on 5 April .
 location: The O2 Arena; location: London
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: The O2 Arena, London 
Answer:
 location: The O2 Arena; location: London