Two brown dogs are playing in a field.
Some dogs are fighting in a dog fight arena.
Not only are playing and fighting contradictory, but the locations (field and arena) are not the same.
exists e1 s1 x1 x2.(in(e1,x2) & n_field(x2) & Actor(e1,x1) & v_play(e1) & n_dog(x1) & a_brown(s1) & Theme(s1,x1) & card_eq_2(x1))
exists e1 x1 x2 x3 x4.(in(e1,x2) & Time(x2,x4) & n_arena(x4) & n_fight(x2) & of(x2,x3) & n_dog(x3) & Actor(e1,x1) & v_fight(e1) & n_dog(x1))