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In 1987 , Dr. Brian F. Atwater , a geologist with the United States Geological Survey , discovered near the mouth of the Columbia River and in several other estuaries in Washington the scars of a large tsunami , including spruce tree forests that had suddenly turned into salt water tidal flats when the land elevation dropped several feet . ''
 location contains: Washington, Columbia River
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: Washington, Columbia River