13588
California Governor C. C. Young and University of  California  President William Wallace Campbell praised  Knowland  's political activities as a university student .
 employee of: California, Knowland
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:  California, Knowland 
Answer:
 employee of: California, Knowland