4579
 This month , a medical litigation overhaul bill , mirroring the administration 's proposals , was introduced in the Senate by two Republican senators , John Ensign of Nevada and Judd Gregg of New Hampshire . 
 John Ensign, Nevada
Please list all entity pairs containing a certain relationship in the given options.Output format is "word1, word2; word3, word4". 
Option: nationality, country capital, place of death, children, location contains, place of birth, place lived, administrative division of country, country of administrative divisions, company, neighborhood of, company founders 
Text: {0} 
Answer:
 John Ensign, Nevada