The brown dog is walking through a river surrounded by bushes.
An animal is by bushes and a body of water.
A brown dog is a type of animal. A river is a body of water.
exists e1 e2 s1 x1 x2 x3 x4.(n_dog(x1) & a_brown(s1) & Theme(s1,x1) & through(e1,x2) & Actor(e2,x4) & n_bush(x4) & Theme(e2,x3) & v_surround(e2) & (x2 = x3) & n_river(x2) & Actor(e1,x1) & v_walk(e1))
exists p1 x1.(exists x2 x3 x4 x5.(by(x1,x2) & subset_of(x4,x2) & of(x4,x5) & n_water(x5) & n_body(x4) & subset_of(x3,x2) & n_bush(x3)) & n_animal(x1))