164738
The Guardian noted that " the annual rich list is dominated by Russian and Indian billionaires , with the highest ranking Briton being the Duke of Westminster , worth £ 7.8 bn thanks to his property holdings in London 's Mayfair and Belgravia and ranked eighth . "
 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