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al gore left his residence at the naval observatory today to attend to his duties as vice president at the white house .
 organization: naval; person: al gore; person: his; person: his; person: vice president; facility: his residence at the naval observatory; facility: the naval observatory; facility: the white house
Please list all entity words in the text that fit the category.Output format is "type1: word1; type2: word2". 
Option: geographical social political, organization, person, location, facility, vehicle, weapon 
Text: {0} 
Answer:
 organization: naval; person: al gore; person: his; person: his; person: vice president; facility: his residence at the naval observatory; facility: the naval observatory; facility: the white house