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The potential for something to happen is much greater now than it was in 2001 simply because of developments of technology and education D.A. Henderson who was principal science adviser for public health preparedness to former  Health and Human Services  secretary  Tommy Thompson  said in an interview .
 employee of: Health and Human Services, Tommy Thompson
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:
 employee of: Health and Human Services, Tommy Thompson