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The film then goes into an account of Watson 's long and controversial history as an activist , going into depth about his role in co-founding Greenpeace , his subsequent disagreements with its other founders , and his separation from the organization to found his own Sea Shepherd Conservation Society .
 person: Watson; organization: Greenpeace; organization: Sea Shepherd Conservation Society
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: Watson, Greenpeace, Sea Shepherd Conservation Society 
Answer:
 person: Watson; organization: Greenpeace; organization: Sea Shepherd Conservation Society