A boy smiles for the camera in a group of sitting children.
A group of teenagers in a car.
Children and teenagers are not same.
exists e1 e2 x1 x2 x3 x4.(n_camera(x2) & for(e1,x2) & in(x2,x3) & of(x3,x4) & n_child(x4) & Actor(e2,x4) & v_sit(e2) & n_group(x3) & Actor(e1,x1) & v_smile(e1) & n_boy(x1))
exists x1 x2 x3.(a_topic(x1) & of(x1,x2) & in(x2,x3) & n_car(x3) & n_teenager(x2) & n_group(x1))