Two dogs bite at each other on the carpet.
the dogs are brown
The color of the dogs is unstated, we don't know that they are brown.
exists e1 x1 x2.(n_carpet(x2) & on(e1,x2) & all x3.(n_other(x3) -> at(e1,x3)) & Actor(e1,x1) & v_bite(e1) & n_dog(x1) & card_eq_2(x1))
exists e1 x1.(n_dog(x1) & Theme(e1,x1) & v_brown(e1))