Two children ride in toy cars.
Two old ladies riding in toy cars.
Old ladies are not children.
exists e1 x1 x2 x3.(in(e1,x2) & n_car(x2) & of(x2,x3) & n_toy(x3) & Actor(e1,x1) & v_ride(e1) & n_child(x1) & card_eq_2(x1))
exists e1 s1 x1 x2 x3 x4.(a_topic(x1) & in(e1,x3) & n_car(x3) & of(x3,x4) & n_toy(x4) & Actor(e1,x2) & v_ride(e1) & (x1 = x2) & n_lady(x1) & a_old(s1) & Theme(s1,x1) & card_eq_2(x1))