A dog and two birds.
The birds are performing a sick rock concert.
If there is a dog in the first place then there has to be a dog in the second one, and they can't be performing a concert.
exists x1 x2.(a_topic(x1) & n_bird(x1) & card_eq_2(x1) & of(x1,x2) & n_dog(x2))
exists e1 s1 x1 x2 x3.(n_bird(x1) & Theme(e1,x2) & Actor(e1,x1) & v_perform(e1) & n_concert(x2) & of(x2,x3) & n_rock(x3) & a_sick(s1) & Theme(s1,x2))