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When he was in his 70 's , his work began to be noticed again after being championed by Bonnie Grad , an art professor at Clark University in Worcester , Mass. , who saw some of his paintings in the 1980 's and helped organized new exhibitions .
 location contains: Worcester, Clark University
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: Worcester, Clark University