1998
In Connecticut , state economists had estimated that closing the Groton base could endanger 22,000 private sector jobs , many of them in high-tech businesses , in addition to the 8,500 on the base itself .
 location contains: Connecticut, Groton
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:  Connecticut, Groton 
Answer:
 location contains: Connecticut, Groton