3100
Erik Simpson a young English professor at  Grinnell College  praised Obama for taking responsible positions on trade and health care that might not be exactly what  Iowa  caucusgoers want to hear .
 state or province of headquarters: Grinnell College, Iowa
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:
 state or province of headquarters: Grinnell College, Iowa