There is a red truck behind the horses.
Behind the horses is a red truck.
If there is a "red truck behind the horses" then obviously " behind the horses is a red truck."
exists p1 x1 x3.(n_horse(x3) & exists s1 x2.((x1 = x2) & behind(x2,x3) & n_truck(x2) & a_red(s1) & Theme(s1,x2)))
exists e1 s1 x1 x2.(n_horse(x2) & behind(e1,x2) & Actor(e1,x1) & v_be(e1) & n_truck(x1) & a_red(s1) & Theme(s1,x1))