    Sentence “1! South: Africa has’ the:  world “'s“highest.. caseload ‘with: 4:7:  million -péople “infected: with: -HIV.  or AIDS. : :    Sentence. §2:: With. 4.7: “million  people infected: with HIV or AIDS  ; South. Africa’ has: the ‘world "s.  highest-AIDS caseload’:    