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In a telephone interview on Thursday from Houston , where Mr. Lockhart took part in a town hall meeting with Representative Tom DeLay of Texas , the House majority leader , Mr. Lockhart said his objective was '' to help educate the American public about the need for reform in Social Security , and that it should be sooner rather than later . '' ''
 location contains: Texas, Houston
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, Houston 
Answer:
 location contains: Texas, Houston