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He returned to Switzerland in 1939 and spent the remainder of his career with FC Bienne , retiring in 1944 .
 organization: FC Bienne
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: FC Bienne 
Answer:
 organization: FC Bienne