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In Massachusetts , tens of thousands of gallons of sewage were spewing into the Merrimack River after Haverhill 's main sewage line broke and the Lawrence 's sewage treatment facility flooded .
 location contains: Massachusetts, Merrimack River; location contains: Massachusetts, Haverhill
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:  Massachusetts, Merrimack River; Massachusetts, Haverhill 
Answer:
 location contains: Massachusetts, Merrimack River; location contains: Massachusetts, Haverhill