6832
He has chaired the Colorado Children's Campaign and served on the boards of the  Denver School of Science and Technology  the Metropolitan State College of  Denver  Foundation and Open World Learning as well as Denver's New America Schools where he spent two years as a volunteer superintendent .
 None
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:
 NA: Denver School of Science and Technology, Denver