A black dog is standing in front of a waterfall.
a dog is near a waterfall
The dog near the waterfall is a black colored dog
exists e1 s1 x1 x2 x3.(in(e1,x2) & of(x2,x3) & n_waterfall(x3) & n_front(x2) & Actor(e1,x1) & v_stand(e1) & n_dog(x1) & a_black(s1) & Theme(s1,x1))
exists p1 x1.(exists x2.(near(x1,x2) & n_waterfall(x2)) & n_dog(x1))