4618
 In the first three months of the year , China 's trade surplus with the seven largest traders in western Europe Belgium , France , Germany , Italy , the Netherlands , Spain and Britain rose to about $ 12.3 billion , up from about $ 5 billion in the same period a year ago . 
 location contains: Europe, Germany
Given options, please tell me the relationships of all the listed entity pairs.Output format is "relation1: word1, word2; relation2: word3, word4". 
Option: nationality, country capital, place of death, children, location contains, place of birth, place lived, administrative division of country, country of administrative divisions, company, neighborhood of, company founders 
Text: {0} 
 Entity Pairs:  Europe, Germany 
Answer:
 location contains: Europe, Germany