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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 .
 location contains: Puerto Rico, San Juan; location contains: Puerto Rico, San Juan; country of capital: Puerto Rico, San Juan; country of 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: ethnicity, place lived, geographic distribution, company industry, country of administrative divisions, administrative division of country, location contains, person of company, profession, ethnicity of people, company shareholder among major shareholders, sports team of location, religion, neighborhood of, company major shareholders, place of death, nationality, children, company founders, company founded place, country of capital, company advisors, sports team location of teams, place of birth 
Text: {0} 
 Entity Pairs:  Puerto Rico, San Juan; Puerto Rico, San Juan; Puerto Rico, San Juan; Puerto Rico, San Juan 
Answer:
 location contains: Puerto Rico, San Juan; location contains: Puerto Rico, San Juan; country of capital: Puerto Rico, San Juan; country of capital: Puerto Rico, San Juan