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It is totally amazing how little we know about these animals , their mating habits and social behavior , '' said Dr. Prithiviraj Fernando , director of the Center for Conservation and Research in Rajagiriya , Sri Lanka . ''
 location contains: Sri Lanka, Rajagiriya
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:  Sri Lanka, Rajagiriya 
Answer:
 location contains: Sri Lanka, Rajagiriya