A dark dog is competing in a dog show competition.
The dog is dark
A dog at a competition is not always dark.
exists e1 s1 x1 x2 x3 x4.(in(e1,x2) & n_competition(x2) & of(x2,x4) & n_show(x4) & of(x2,x3) & n_dog(x3) & Actor(e1,x1) & v_compete(e1) & n_dog(x1) & a_dark(s1) & Theme(s1,x1))
exists s1 x1.(n_dog(x1) & Theme(s1,x1) & a_dark(s1))