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In 1929  Strijdom  was elected to the House of Assembly as MP for Waterberg representing the  National Party  ( NP ) headed by General J.B.M. Hertzog .
 Strijdom, National Party
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:
 Strijdom, National Party