13505
In 1972 while president at  Idaho State  in  Pocatello  Davis won the Democratic nomination for the open U.S. Senate seat in Idaho .
 city of headquarters: Idaho State, Pocatello
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: Idaho State, Pocatello