51874
We are seeing increased demand in Texas for the lock-and-leave condo lifestyle , '' said Mark Cover , executive vice president for the southwest region at Hines Interests , a privately owned international real estate firm based in Houston . ''
 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