1933
His investment to provide East  Boston  business district with a major supermarket (  Liberty  Market ) its first function hall ( Lombardo Function Facility ) and a shopping mall ( Liberty Plaza ) in the Central Square area has helped stimulate the economy in that area for over 50 years .
 city of headquarters: Boston, Liberty
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: cities of residence, top members employees, members, alternate names, origin, state or provinces of residence, title of person, spouse, city of headquarters, NA, founded by, state or province of headquarters, employee of, countries of residence, country of birth, founded, subsidiaries, country of headquarters 
Text: {0} 
Answer:
 city of headquarters: Boston, Liberty