Two dogs, a big dog and a small dog, run in the snow.
Two cats rolling in the snow.
Run and rolling are different.
exists s1 s2 x1 x2 x3 x4 x5 x6.(n_snow(x6) & a_topic(x1) & rel(x1,x2) & subset_of(x4,x2) & rel(x4,x5) & in(x5,x6) & n_run(x5) & n_dog(x4) & a_small(s2) & Theme(s2,x4) & subset_of(x3,x2) & n_dog(x3) & a_big(s1) & Theme(s1,x3) & n_dog(x1) & card_eq_2(x1))
exists e1 x1 x2 x3.(n_snow(x3) & a_topic(x1) & in(e1,x3) & Actor(e1,x2) & v_roll(e1) & (x1 = x2) & n_cat(x1) & card_eq_2(x1))