517
president bush is pushing congress to pass his $ 15 billion worldwide program for fighting aids .
 organization: congress; person: president; person: president bush; person: his
Please list all entity words in the text that fit the category.Output format is "type1: word1; type2: word2". 
Option: organization, person, geographical social political, vehicle, location, weapon, facility 
Text: {0} 
Answer:
 organization: congress; person: president; person: president bush; person: his