A man is standing next to a Police van.
A man is walking near a van
A man who is standing walked next to or near a Police van.
exists e1 x1 x2 x3.(to(e1,x2) & n_van(x2) & of(x2,x3) & n_police(x3) & r_next(e1) & Actor(e1,x1) & v_stand(e1) & n_man(x1))
exists e1 x1 x2.(near(e1,x2) & n_van(x2) & Actor(e1,x1) & v_walk(e1) & n_man(x1))