A man pushing a work down the street.
The man is walking on the sidewalk.
One can be either pushing a work or walking.
exists e1 x1 x2 x3 x4.(n_street(x4) & a_topic(x1) & down(e1,x4) & Theme(e1,x3) & Actor(e1,x2) & v_push(e1) & n_work(x3) & (x1 = x2) & n_man(x1))
exists e1 x1 x2.(n_sidewalk(x2) & n_man(x1) & on(e1,x2) & Actor(e1,x1) & v_walk(e1))