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NASA   Administrator  Charles Bolden and Israel Space Agency ( ISA ) Director General Zvi Kaplan have signed a joint statement of intent to expand the agencies ' cooperation in civil space activities the U.S. National Aeronautics and Space Administration ( NASA ) said on Wednesday .
 None
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:   
Answer:
 NA: NASA, Administrator