Two dogs run along the green grass near the water.
they are running by the river
The water doesn't necessarily mean it's a river.
exists e1 s1 x1 x2 x3.(n_water(x3) & n_grass(x2) & a_green(s1) & Theme(s1,x2) & along(e1,x2) & near(x2,x3) & Actor(e1,x1) & v_run(e1) & n_dog(x1) & card_eq_2(x1))
exists e1 x1 x2.(n_river(x2) & n_thing(x1) & by(e1,x2) & Actor(e1,x1) & v_run(e1))