301037
In 1959 he and his wife drove around the Central African Federation , again in a Standard Vanguard , at the invitation of the Federation Government , meeting both Roy Welensky and Edgar Whitehead , the Prime Ministers of the Federation and Southern Rhodesia respectively .
 person: Roy Welensky; person: Edgar Whitehead
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: Roy Welensky, Edgar Whitehead 
Answer:
 person: Roy Welensky; person: Edgar Whitehead