5207
 Ending with a rock 'n' rock fiesta in Ensenada , Mexico , the Rosarito Ensenada 50-mile bicycle ride held twice a year Sept. 30 and next April 21 is as much a party as a competition . 
 location contains: Mexico, Ensenada
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:  Mexico, Ensenada 
Answer:
 location contains: Mexico, Ensenada