16050
He held that the Soviet Union should be challenged only when it encroached on certain areas of specific American interest , but he did not accept the view that this could be accomplished only by military alliances or by turning Europe into an armed camp .
 location contains: Europe, Soviet Union
Given options, please tell me the relationships of all the listed entity pairs.Output format is "relation1: word1, word2; relation2: word3, word4". 
Option: ethnicity, place lived, geographic distribution, company industry, country of administrative divisions, administrative division of country, location contains, person of company, profession, ethnicity of people, company shareholder among major shareholders, sports team of location, religion, neighborhood of, company major shareholders, place of death, nationality, children, company founders, company founded place, country of capital, company advisors, sports team location of teams, place of birth 
Text: {0} 
 Entity Pairs:  Europe, Soviet Union 
Answer:
 location contains: Europe, Soviet Union