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In its opening weekend , the film grossed $ 15 million in 3,121 theaters in the United States and Canada , holding the number one position at the box office .
 location: United States; location: Canada
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: United States, Canada 
Answer:
 location: United States; location: Canada