10380
From 1945 to 1984 , Dr. Kaplansky taught at the University of Chicago , where he joined his famous former teacher , Saunders Mac Lane , who worked on topology and category theory , an abstract branch of algebra with applications in computer science .
 person of company: Saunders Mac Lane, University of Chicago
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: Saunders Mac Lane, University of Chicago