51505
Materials relating to another work by Christo and Jeanne-Claude , '' Over the River Project for the Arkansas River , '' in Colorado , will also be on view and for sale .
 location contains: Colorado, Arkansas River
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:  Colorado, Arkansas River 
Answer:
 location contains: Colorado, Arkansas River