The owners of Phinda, the South African-based Conservation Corporation, could not have paid for a better advertisement for their philosophy of wildlife conservation: a people-based approach to conservation, which is slowly gaining ground in Africa as game reserves come under ever greater threat from hungry, poor and angry local populations.
All South African local populations are hungry, poor and angry.
"All" is a very explicit defining word that tricks the AI to accepting most of the answer, when the context describes the owner of a corporation and how they paid for an advertisment, showing they are not poor. 
( z1 and :op ( z2 hunger :ARG0 ( z3 population :ARG1-of ( z4 local :ARG2 ( z5 country :name ( z6 name :op "South" :op "Africa" ) ) ) :mod ( z7 all ) ) ) :op ( z8 poor :domain z3 ) :op ( z9 anger :ARG1 z3 ) )