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Diplomatic opening and early trade In 1968 , the government of Canadian Prime Minister Pierre Elliott Trudeau initiated negotiations with the People 's Republic of China that lead to the establishment of diplomatic relations on October 13 , 1970 .
 person: Pierre Elliott Trudeau; location: People
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: Pierre Elliott Trudeau, People 
Answer:
 person: Pierre Elliott Trudeau; location: People