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William ( " Bill " ) Sawchuk ( born January 8 , 1959 in Roblin , Manitoba ) was a Canadian swimmer , competing in the butterfly , freestyle and medley events during the 1970s and early 1980s .
 person: Bill; person: Sawchuk; location: Roblin , Manitoba; location: Canadian
Please list all entity words in the text that fit the category.Output format is "type1: word1; type2: word2". 
Option: location, person, organization 
Text: {0} 
Answer:
 person: Bill; person: Sawchuk; location: Roblin , Manitoba; location: Canadian