8517
 The spot where about 15 pipelines crossed the Tigris had been the main link between Iraq 's rich northern oil fields and the export terminals and refineries that could generate much-needed gasoline , heating fuel and revenue for Iraqis . 
 location contains: Iraq, Tigris
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: 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} 
Answer:
 location contains: Iraq, Tigris