A horse walking by the side of the water pulling something.
The animal is pulling something for his owner by the water
A horse can be borrowed by other people or rented for work, there is no indication that the horse is pulling something for his owner.
exists e1 x1 x2 x3 x4 x5 x6.(n_water(x4) & n_side(x3) & a_topic(x1) & by(x1,x3) & of(x3,x4) & Theme(e1,x6) & Actor(e1,x5) & v_pull(e1) & n_thing(x6) & (x4 = x5) & n_walking(x1) & of(x1,x2) & n_horse(x2))
exists e1 x1 x2 x3 x4.(n_water(x4) & n_owner(x3) & of(x3,x1) & n_male(x1) & n_animal(x1) & for(e1,x3) & by(x3,x4) & Theme(e1,x2) & Actor(e1,x1) & v_pull(e1) & n_thing(x2))