951
Often , it is forgotten that the goal of anticoagulation is not to treat a stroke that has just occurred , but to prevent a recurrent stroke '' or a first stroke , said Dr. David S. Liebeskind , associate director of the University of California , Los Angeles , Stroke Center in California .
 location contains: California, Los Angeles
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:  California, Los Angeles 
Answer:
 location contains: California, Los Angeles