518
at a white house gathering of aids activists and lawmakers from around the world , the president said hir plan could prevent 7 million new hiv infections - - and treat at least 2 million people over the next decade .
 person: aids activists and lawmakers from around the world; person: the president; person: hir; person: at least 2 million people; facility: white house; location: the world
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:
 person: aids activists and lawmakers from around the world; person: the president; person: hir; person: at least 2 million people; facility: white house; location: the world