55652
Davis is survived by his third wife , Yvonne ; his son , Ralph , of California ; his stepson , John Slack III , of Baton Rouge , La. , from his marriage to the former Harriet Slack , who died in 1995 ; a sister , Mary Gammons , of Pomona , Calif. , and four grandchildren .
 location contains: California, Davis; location contains: California, Pomona
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, Davis; California, Pomona 
Answer:
 location contains: California, Davis; location contains: California, Pomona