Two puppies walking on stones.
Two brown puppies walking in the rain.
Just because puppies are walking on stones it does not mean they are brown.
exists e1 x1 x2 x3.(a_topic(x1) & on(e1,x3) & n_stone(x3) & Actor(e1,x2) & v_walk(e1) & (x1 = x2) & n_puppy(x1) & card_eq_2(x1))
exists e1 s1 x1 x2 x3.(n_rain(x3) & a_topic(x1) & in(e1,x3) & Actor(e1,x2) & v_walk(e1) & (x1 = x2) & n_puppy(x1) & a_brown(s1) & Theme(s1,x1) & card_eq_2(x1))