14502
The events were dramatised by Mike Walker on BBC Radio 4 in December 2014 in a production by David Morley .
 person: Mike Walker; organization: BBC Radio 4; person: David Morley
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: Mike Walker, BBC Radio 4, David Morley 
Answer:
 person: Mike Walker; organization: BBC Radio 4; person: David Morley