The memorandum noted the United Nations estimated that 2.5 million to 3.5 million people died of AIDS last year.
United Nation is working on cure for AIDS
( z1 work :ARG0 ( z2 organization :name ( z3 name :op "United" :op "Nation" ) ) :ARG1 ( z4 cure :ARG1 ( z5 disease :name ( z6 name :op "AIDS" ) ) ) )