Many men on the back of a pick up truck going down a road.
The truck is filled.
Just because there is many men on the back of the truck doesn't mean the truck is filled.
exists e1 s1 x1 x2 x3 x4 x5 x6.(n_back(x2) & a_topic(x1) & a_down(s1) & Manner(e1,s1) & Theme(e1,x6) & Actor(e1,x5) & v_go(e1) & n_road(x6) & (x1 = x5) & on(x1,x2) & up(x2,x4) & n_truck(x4) & of(x2,x3) & n_pick(x3) & n_man(x1) & n_quantity(x1))
exists e1 x1.(n_truck(x1) & Theme(e1,x1) & v_fill(e1))