Several African children looking toward the blackboard in school, while two look back toward the camera.
the children are black
Just because several African children are looking toward the blackboard, it doesn't mean they are black.
exists e1 s1 s2 x1 x2 x3 x4 x5 x6.(n_camera(x6) & n_blackboard(x3) & a_topic(x1) & while(e1,x5) & n_back(x5) & toward(x5,x6) & n_look(x5) & card_eq_2(x5) & in(e1,x4) & n_school(x4) & toward(e1,x3) & Actor(e1,x2) & v_look(e1) & (x1 = x2) & n_child(x1) & a_african(s2) & Theme(s2,x1) & a_several(s1) & Theme(s1,x1))
exists s1 x1.(n_child(x1) & Theme(s1,x1) & a_black(s1))