a brown dog plays with the hose.
A puppy is playing in the water.
We dont know if its a puppy.
exists e1 s1 x1 x2.(n_hose(x2) & with(e1,x2) & Actor(e1,x1) & v_play(e1) & n_dog(x1) & a_brown(s1) & Theme(s1,x1))
exists e1 x1 x2.(n_water(x2) & in(e1,x2) & Actor(e1,x1) & v_play(e1) & n_puppy(x1))