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In 1968 he was joined by young Scottish banjo player Davey Johnstone ; they toured as Murf & Shaggis for two years until they added double bass player Ron Chesterman ( formerly of Strawbs ) to the line-up and changed their name to Draught Porridge .
 location: Scottish; person: Davey Johnstone; person: Ron Chesterman
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: Scottish, Davey Johnstone, Ron Chesterman 
Answer:
 location: Scottish; person: Davey Johnstone; person: Ron Chesterman