A brown dog on the grass next to a pond.
A brown dog searching for a ball.
there is no indication the brown dog is searching for a ball.
exists s1 x1 x2 x3 x4.(n_grass(x2) & a_topic(x1) & on(x1,x2) & to(x3,x4) & n_pond(x4) & next(x2,x3) & n_thing(x3) & n_dog(x1) & a_brown(s1) & Theme(s1,x1))
exists e1 s1 x1 x2 x3.(a_topic(x1) & for(e1,x3) & n_ball(x3) & Actor(e1,x2) & v_search(e1) & (x1 = x2) & n_dog(x1) & a_brown(s1) & Theme(s1,x1))