89792
The main ceremony was held in the Royal Albert Hall , in the year which also marked the Duke 's 50th anniversary of installation as Grand Master .
 location: Royal Albert Hall
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: Royal Albert Hall 
Answer:
 location: Royal Albert Hall