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We have a very open program and we are willing to cooperate according to common international practices said  Sun Laiyan  head of the  China National Space Administration  .
 top members employees: Sun Laiyan, China National Space Administration
Given options, please tell me the relationships of all the listed entity pairs.Output format is "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} 
 Entity Pairs:  Sun Laiyan, China National Space Administration 
Answer:
 top members employees: Sun Laiyan, China National Space Administration