23350
 PATRICK McENROE , the Davis Cup captain , said he would take Blake , Ginepri , Andy Roddick and the doubles team of Bob and Mike Bryan to Leuven , Belgium , for matches that will be played on indoor clay , traditionally a weak surface for Americans . 
 location contains: Belgium, Leuven
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:  Belgium, Leuven 
Answer:
 location contains: Belgium, Leuven