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Many committee members agreed that political considerations made it likely that the space station would survive and that the space shuttle would probably fly at least until 2011 and that some options should show that but they argued about what other options should be in the Chinese menu in the words of  Jeff Greason  chief executive of  XCOR Aerospace  .
 top members employees: Jeff Greason, XCOR Aerospace
Given a phrase that describes the relationship between two words, extract the words and the lexical relationship between them. The output format should be "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} 
Answer:
 top members employees: Jeff Greason, XCOR Aerospace