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UNI-Dome ( pronounced YOU-nih-dome ) is a multi-purpose stadium on the campus of the  University of Northern Iowa  in  Cedar Falls  Iowa United States .
 city of headquarters: University of Northern Iowa, Cedar Falls
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: University of Northern Iowa, Cedar Falls