17752
Opal Petty , whose lawsuit over her 51-year involuntary commitment in Texas mental institutions led to changes in state policy , died on March 10 in San Angelo , Tex. .
 location contains: Texas, San Angelo
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:  Texas, San Angelo 
Answer:
 location contains: Texas, San Angelo