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After four years of livable peace since the 2002 cease-fire between the government and the separatist Liberation Tigers of Tamil Eelam , Trincomalee has once again sunk into the muck of fear , uncertainty , and distrust that marked the worst years of Sri Lanka 's hateful ethnic conflict of the past two decades .
 location contains: Sri Lanka, Trincomalee
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, Trincomalee 
Answer:
 location contains: Sri Lanka, Trincomalee