A black dog bounds across the sand.
The dog is playing in the water.
The dog is either bounding across the sand, or playing in the water.
exists e1 s1 x1 x2.(n_sand(x2) & across(e1,x2) & Actor(e1,x1) & v_bound(e1) & n_dog(x1) & a_black(s1) & Theme(s1,x1))
exists e1 x1 x2.(n_water(x2) & n_dog(x1) & in(e1,x2) & Actor(e1,x1) & v_play(e1))