18459
 Data on Nuclear Waste Site in Nevada Prove Elusive The Energy Department no longer has an estimate of when it can open the nuclear waste repository that it wants to build at Yucca Mountain , 90 miles northwest of Las Vegas , and it may never have an accurate prediction of the cost , the energy secretary said . 
 location contains: Nevada, Las Vegas
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: Nevada, Las Vegas