21573
 Not long after we had arrived in Buenos Aires , we crossed one of the bridges connecting the Puerto Madero district to the rest of the enormous eastward-spreading city and began to stroll along the quay . 
 neighborhood of: Puerto Madero, Buenos Aires
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:  Puerto Madero, Buenos Aires 
Answer:
 neighborhood of: Puerto Madero, Buenos Aires