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At a meeting in Des Moines Sen.  Tom Harkin  of  Iowa  was interrupted several times by people in the audience shouting criticism and questions even though he said he did n't expect Iowans to take part in what he called scare tactics misinformation and obstruction .
 state or provinces of residence: Tom Harkin, 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 provinces of residence: Tom Harkin, Iowa