1871
the chairman of the political party or the independent/primary candidate entitled to representatives , as appropriate , must provide a notice of authorization .
 member collection: chairman, political party
Given options, please tell me the relationships of all the listed entity pairs.Output format is "relation1: word1, word2; relation2: word3, word4". 
Option: component whole, NA, instrument agency, member collection, cause effect, entity destination, content container, message topic, product producer, entity origin 
Text: {0} 
 Entity Pairs:  chairman, political party 
Answer:
 member collection: chairman, political party