20687
 The value of the neighborhood school , of course , is more embedded assumption than force of nature : generations of Manhattan parents have been perfectly happy to send their children out of the neighborhood to the Riverdale section of the Bronx to attend private schools like Fieldston and Horace Mann ; parents throughout the city are prepared for their children to endure long commutes to Stuyvesant , one of the premier public high schools . 
 location contains: Riverdale, Fieldston
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:  Riverdale, Fieldston 
Answer:
 location contains: Riverdale, Fieldston