Two dogs play out in the snow covered grass.
The cats play in the snow.
dogs are not cats
exists e2 e1 s1 x1 x2 x3.(n_grass(x2) & Theme(e2,x2) & v_cover(e2) & of(x2,x3) & n_snow(x3) & in(e1,x2) & a_out(s1) & Manner(e1,s1) & Actor(e1,x1) & v_play(e1) & n_dog(x1) & card_eq_2(x1))
exists e1 x1 x2.(n_snow(x2) & n_cat(x1) & in(e1,x2) & Actor(e1,x1) & v_play(e1))