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On his eponymous debut solo album he used a Marshall JCM800 , issued as " # 34 " , and later , on the subsequent world tour , Slash used his signature Marshall AFD100 amp .
 organization: Slash; organization: Marshall
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: Slash, Marshall 
Answer:
 organization: Slash; organization: Marshall