2230
He completed his doctorate at Harvard in 1947 under the mentorship of Paul D. Bartlett and a postdoc at  UCLA  with  Saul Winstein  in 1948 .
 employee of: UCLA, Saul Winstein
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:
 employee of: UCLA, Saul Winstein