9327
 Just then , the coquies , those singsongy tree frogs native to Puerto Rico , began to chirp , signaling nightfall in this slow-moving corner of Puerto Rico , where the noisy streets of San Juan are very far away . 
 country capital: Puerto Rico, San Juan
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 Rico, San Juan 
Answer:
 country capital: Puerto Rico, San Juan