A dog has run into the water to catch a ball in his mouth.
The dog will bring the ball back to its master
catch doesn't always mean  bring the ball back
exists e1 p1 x1 x2 x3 x5.(n_mouth(x5) & of(x5,x3) & n_male(x3) & n_water(x3) & Topic(e1,p1) & exists e2 x4.(in(e2,x5) & Theme(e2,x4) & Actor(e2,x1) & v_catch(e2) & n_ball(x4)) & into(e1,x3) & Actor(e1,x2) & v_run(e1) & n_dog(x2) & n_dog(x1))
exists e1 x1 x2 x3.(n_master(x3) & of(x3,x2) & n_thing(x2) & n_ball(x2) & n_dog(x1) & to(e1,x3) & r_back(e1) & Theme(e1,x2) & Actor(e1,x1) & v_bring(e1))