1900
Mr. Picker had been known , until then , mainly as a composer of chamber and symphonic works in a style that had gradually changed from the comparatively thorny language espoused by his principal teachers -- Charles Wuorinen at the Manhattan School , Elliott Carter at the Juilliard School , and Milton Babbitt at Princeton -- to a gentler , more consonant style . ''
 person of company: Milton Babbitt, Juilliard School; person of company: Elliott Carter, Juilliard School
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:
 person of company: Milton Babbitt, Juilliard School; person of company: Elliott Carter, Juilliard School