Two dogs in the water fight over a stick.
Two dogs fight over a stick.
If the dogs fight over a stick then they fight over a stick.
exists x1 x2 x3 x4.(n_fight(x2) & of(x2,x3) & n_water(x3) & a_topic(x1) & in(x1,x2) & over(x2,x4) & n_stick(x4) & n_dog(x1) & card_eq_2(x1))
exists x1 x2 x3.(a_topic(x1) & over(x1,x3) & n_stick(x3) & n_fight(x1) & of(x1,x2) & n_dog(x2) & card_eq_2(x1))