A dog drinking out of a water spigot.
The water spigot is in a dog park.
A water spigot is not necessarily in a dog park.
exists e1 x1 x2 x3 x4.(a_topic(x1) & of(e1,x3) & n_spigot(x3) & of(x3,x4) & n_water(x4) & r_out(e1) & Actor(e1,x2) & v_drink(e1) & (x1 = x2) & n_dog(x1))
exists p1 x1 x2.(n_spigot(x1) & of(x1,x2) & n_water(x2) & exists x3 x4.(in(x1,x3) & n_park(x3) & of(x3,x4) & n_dog(x4)))