10785
 The Mekong has been protected through the ages by a lack of development , and more recently by wars in Vietnam , Cambodia and Laos , as it winds its way on a brawling 2,870-mile journey from the Tibetan plateau to its delta in Vietnam . 
 location contains: Cambodia, Mekong
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: Cambodia, Mekong