59200
In 1961 , Davis was appointed head of children 's sound broadcasting at the BBC , but by that time children were deserting radio for television and the separate children 's radio department closed in 1964 .
 person: Davis; organization: BBC
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: Davis, BBC 
Answer:
 person: Davis; organization: BBC