28672
 That 's what happened in 1994 , when 70,000 people marched in Los Angeles , many waving Mexican flags , to show their distaste for Proposition 187 , a California ballot initiative that denied social services to illegal aliens and their children . 
 location contains: California, Los Angeles
Given a phrase that describes the relationship between two words, extract the words and the lexical relationship between them. The output format should be "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} 
Answer:
 location contains: California, Los Angeles