26668
 She was born in New York City and devoted her life to working with young people as a teacher , the social director of the Horace Mann School in Riverdale and in 1949 founded Camp Merriwood for Girls in Orford , New Hampshire . 
 neighborhood of: Riverdale, New York City
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, New York City 
Answer:
 neighborhood of: Riverdale, New York City