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Lorne Calvert  Premier of Saskatchewan and leader of the New Democratic Party (  NDP  ) advised the Lieutenant Governor of Saskatchewan to call an election for November 7 2007 .
 Lorne Calvert, NDP
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:
 Lorne Calvert, NDP