A dog digging for his ball in the sand.
The dog is sleeping on his bed.
Dog can never be human.
exists e1 x1 x2 x3 x4.(n_sand(x4) & a_topic(x1) & for(e1,x3) & in(x3,x4) & n_ball(x3) & of(x3,x1) & n_male(x1) & Actor(e1,x2) & v_dig(e1) & (x1 = x2) & n_dog(x1))
exists e1 x1 x2.(n_bed(x2) & of(x2,x1) & n_male(x1) & n_dog(x1) & on(e1,x2) & Actor(e1,x1) & v_sleep(e1))