2807
When  Arkansas  left the Union the Yell Rifles became part of the  1st Arkansas Infantry  later designated the 15th Arkansas of which he was elected Colonel .
 Arkansas, 1st Arkansas Infantry
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:
 Arkansas, 1st Arkansas Infantry