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For almost a century the submarine base and the Electric Boat shipyard in Groton have been mainstays of the Connecticut economy , and though they have shrunk considerably since the end of the cold war , a report released on Wednesday said they still contribute an estimated $ 3.3 billion a year and 31,500 jobs to the state economy .
 location contains: Connecticut, Groton
Given a phrase that describes the relationship between two words, extract the words and the lexical relationship between them. The output format should be "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} 
Answer:
 location contains: Connecticut, Groton