A man with work clothes on standing on the back of a truck.
There is a man standing on a truck.
There is man standing on the back of the truck.
exists x1 x2 x3 x4 x5 x6.(n_back(x5) & a_topic(x1) & with(x1,x2) & on(x2,x5) & of(x5,x6) & n_truck(x6) & on(x2,x4) & n_standing(x4) & n_clothes(x2) & of(x2,x3) & n_work(x3) & n_man(x1))
exists p1 x1 e1 x2 x3 x4.((x1 = x2) & on(e1,x4) & n_truck(x4) & Actor(e1,x3) & v_stand(e1) & (x2 = x3) & n_man(x2))