14575
He worries that the crucial Ras Tanura refinery , the nerve center of Saudi Arabia 's oil industry , may be in the cross hairs of terrorists -- a target that , if successfully attacked , could cause oil prices to double in a matter of hours . ''
 location contains: Saudi Arabia, Ras Tanura
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:  Saudi Arabia, Ras Tanura 
Answer:
 location contains: Saudi Arabia, Ras Tanura