21023
 I visited Ras Tanura because oil is no longer out of mind , thanks to record prices caused by refinery shortages and surging demand most notably in the United States and China which has strained the capacity of oil producers and especially Saudi Arabia , the largest exporter of all . 
 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: nationality, country capital, place of death, children, location contains, place of birth, place lived, administrative division of country, country of administrative divisions, company, neighborhood of, company founders 
Text: {0} 
 Entity Pairs:  Saudi Arabia, Ras Tanura 
Answer:
 location contains: Saudi Arabia, Ras Tanura