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From 1983 until 1987 , Watson was an on-ice official for the Atlantic Coast Hockey League .
 organization: Atlantic Coast Hockey League
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: Atlantic Coast Hockey League 
Answer:
 organization: Atlantic Coast Hockey League