Through the truck's rear window you can see the back of the seats as well as the rear view mirror.
This is a van.
If it's a van, it's not a truck.
exists e1 p1 s1 x1 x2 x3 x5 x6 x7.(n_window(x2) & of(x2,x3) & n_rear(x3) & of(x2,x1) & n_truck(x1) & n_view(x7) & a_rear(s1) & Theme(s1,x7) & n_seat(x6) & n_back(x5) & n_person(x1) & through(e1,x2) & exists e2 x4 x8.(Theme(e2,x4) & Actor(e2,x1) & v_see(e2) & subset_of(x7,x4) & Time(x7,x8) & n_mirror(x8) & subset_of(x5,x4) & of(x5,x6)) & Topic(e1,p1) & Actor(e1,x1) & v_can(e1))
exists p1 x1.(n_thing(x1) & exists x2.((x1 = x2) & n_van(x2)))