A brown dog is biting a black dog.
There are two dogs in a park.
The dogs are fighting in a park
exists e1 s1 s2 x1 x2.(Theme(e1,x2) & Actor(e1,x1) & v_bite(e1) & n_dog(x2) & a_black(s2) & Theme(s2,x2) & n_dog(x1) & a_brown(s1) & Theme(s1,x1))
exists p1 x1 x2.(in(p1,x2) & n_park(x2) & exists x3.((x1 = x3) & n_dog(x3) & card_eq_2(x3)))