A woman with a shopping bag walking toward a street.
The woman is walking
To simply say someone is walking leaves out any destination, and is more general than saying walking toward a street which gives a destination.
exists x1 x2 x3 x4 x5.(a_topic(x1) & with(x1,x2) & toward(x2,x5) & n_street(x5) & n_walking(x2) & of(x2,x4) & n_bag(x4) & of(x2,x3) & n_shopping(x3) & n_woman(x1))
exists e1 x1.(n_woman(x1) & Actor(e1,x1) & v_walk(e1))