Two dogs wrestle in the grass.
Two dogs are in the grass.
Wrestling in the grass requires being in the grass.
exists e1 x1 x2.(n_grass(x2) & in(e1,x2) & Actor(e1,x1) & v_wrestle(e1) & n_dog(x1) & card_eq_2(x1))
exists p1 x1 x2.(n_grass(x2) & in(x1,x2) & n_dog(x1) & card_eq_2(x1))