9753
In 1930 he received a doctorate from the University of Zurich where he studied the chemistry of plants and animals and joined the pharmaceutical - chemical firm Sandoz ( now  Novartis  ) in  Basel  .
 city of headquarters: Novartis, Basel
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: Novartis, Basel