29785
 School officials in Clark County , Nev. , the district that includes Las Vegas , had to call security to remove tutoring providers from a school where they were soliciting families too aggressively , the Center on Education Policy found in its report . 
 location contains: Clark County, Las Vegas
Given options, please tell me the relationships of all the listed entity pairs.Output format is "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} 
 Entity Pairs:  Clark County, Las Vegas 
Answer:
 location contains: Clark County, Las Vegas