11480
His piece had been performed in Birmingham under conductor Hans Richter in 1906 .
 location: Birmingham; person: Hans Richter
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: Birmingham, Hans Richter 
Answer:
 location: Birmingham; person: Hans Richter