A man is walking towards an orange van.
A woman is walking towards a black suv.
A woman is not a man.
exists e1 x1 x2 x3.(towards(e1,x2) & n_van(x2) & of(x2,x3) & n_orange(x3) & Actor(e1,x1) & v_walk(e1) & n_man(x1))
exists e1 s1 x1 x2.(towards(e1,x2) & n_suv(x2) & a_black(s1) & Theme(s1,x2) & Actor(e1,x1) & v_walk(e1) & n_woman(x1))