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At the start of the season , he suffered a serious ankle injury and did not play much until making his debut on 22 November 2010 , coming on as a substitute in a 3 – 2 loss against OB .
 organization: OB
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:
 organization: OB