11110
The treaty was opened for signature in the United States , the United Kingdom , and the Soviet Union on 27 January 1967 , and entered into force on 10 October 1967 .
 location: United States; location: United Kingdom; location: Soviet Union
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, United Kingdom, Soviet Union 
Answer:
 location: United States; location: United Kingdom; location: Soviet Union