19915
 Now the controversy is roiling Fieldston , a private school in the Riverdale section of the Bronx with a mission to provide a '' rigorous and humanistic education '' and a long history of sending graduates to the Ivy League . 
 location contains: Riverdale, Fieldston
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: Riverdale, Fieldston