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He performed programs of Canadian art songs , and notably premiered works by such Canadian composers as James Gayfer , Welford Russell , Boleslaw Szczeniowski , and León Zuckert .
 person: James Gayfer; person: Welford Russell; person: Boleslaw Szczeniowski; person: León Zuckert
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: James Gayfer, Welford Russell, Boleslaw Szczeniowski, León Zuckert 
Answer:
 person: James Gayfer; person: Welford Russell; person: Boleslaw Szczeniowski; person: León Zuckert