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As with many of his other business interests , Sky was heavily subsidised by the profits generated by his other holdings , but convinced rival satellite operator British Satellite Broadcasting to accept a merger on his terms in 1990 .
 organization: Sky; organization: British Satellite Broadcasting
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: Sky, British Satellite Broadcasting 
Answer:
 organization: Sky; organization: British Satellite Broadcasting