12693
An estimated cattle are believed to have died on rangeland in six southeastern  Colorado  counties alone said Leonard Pruett the region's agriculture extension agent for  Colorado State University  .
 Colorado, Colorado State University
Please list all entity pairs containing a certain relationship in the given options.Output format is "word1, word2; 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:
 Colorado, Colorado State University