1939
He expressed regret on the use of violent picketing in Nottinghamshire and the divisions that this caused amongst mineworkers saying : McGahey continuously insisted that the NUM find a way to reconcile with the  Union of Democratic Mineworkers  ( a  Midlands-based  breakaway from the NUM ) .
 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: Union of Democratic Mineworkers, Midlands-based