5409
 This past summer , for example , an alarming number of fatal breakdowns occurred in the opening days of meetings in Illinois and California : 16 horses were euthanized over 41 racing days at Arlington Park in suburban Chicago , and 7 were put down over the first eight days at Del Mar , near San Diego . '' 
 location contains: California, San Diego
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, San Diego