108723
John Alderton took over the role of James and Colin Blakely that of Siegfried , while Lisa Harrow returned as Helen .
 person: John Alderton; person: Colin Blakely
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: John Alderton, Colin Blakely 
Answer:
 person: John Alderton; person: Colin Blakely