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Robert Metz  the  party  's first president spoke for the FpO in 1987 when he argued that the Sunday shopping debate was fundamentally about freedom of choice for the retailer and consumer .
 Robert Metz, 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:
 Robert Metz, party