6452
 Senator Charles E. Schumer of New York , the head of the Democratic Senatorial Campaign Committee , said he was confident that the Democratic challenger in Rhode Island it is likely to be Sheldon Whitehouse , a former state attorney general could defeat whoever wins the Republican primary . '' 
 Sheldon Whitehouse, Rhode Island
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:
 Sheldon Whitehouse, Rhode Island