2 people in Africa wait for food.
2 people in South Africa wait for food.
If someone is in Africa they may not be in South Africa.
exists x1 x2 x3 x4.(a_topic(x1) & in(x1,x2) & for(x2,x4) & n_food(x4) & n_wait(x2) & (x2 = x3) & ne_geo_africa(x3) & n_people(x1) & n_date(x1) & a_date_day_02(x1) & a_date_day_02(x1))
exists x1 x2 x3 x4 x5.(a_topic(x1) & in(x1,x2) & for(x2,x5) & n_food(x5) & n_wait(x2) & (x2 = x4) & ne_geo_africa(x4) & (x2 = x3) & ne_geo_south(x3) & n_people(x1) & n_date(x1) & a_date_day_02(x1) & a_date_day_02(x1))