19110
He and his wife Linda still occupy the same apartment in an expensive condominium building in the wealthy River Oaks section of Houston .
 location contains: Houston, River Oaks; neighborhood of: River Oaks, 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:  Houston, River Oaks; River Oaks, Houston 
Answer:
 location contains: Houston, River Oaks; neighborhood of: River Oaks, Houston