4459
Cantor biographer Joseph Dauben argues that local circumstances refers to the influence of  Leopold Kronecker  Weierstrass ' colleague at the  University of Berlin  .
 employee of: Leopold Kronecker, University of Berlin
Given options, please tell me the relationships of all the listed entity pairs.Output format is "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} 
 Entity Pairs:  Leopold Kronecker, University of Berlin 
Answer:
 employee of: Leopold Kronecker, University of Berlin