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Saudi Arabia is the only nation with much spare oil production capacity , an anomaly that originated in the 1970 's when the American owners of Aramco , the energy concern now controlled by the government in Riyadh , invested heavily in drilling .
 location contains: Saudi Arabia, Riyadh; country of capital: Saudi Arabia, Riyadh
Given a phrase that describes the relationship between two words, extract the words and the lexical relationship between them. The output format should be "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} 
Answer:
 location contains: Saudi Arabia, Riyadh; country of capital: Saudi Arabia, Riyadh