6312
It's negative for small and medium-sized exporters like factory owners who worry about higher operating costs and lower profits said Sun Lijian an economist at  Shanghai  's  Fudan University  .
 city of headquarters: Shanghai, Fudan University
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:
 city of headquarters: Shanghai, Fudan University