Three dogs playing in the snow.
Three dogs playing in the rain.
If outside there is rain, then there can't also be snow.
exists e1 x1 x2 x3.(n_snow(x3) & a_topic(x1) & in(e1,x3) & Actor(e1,x2) & v_play(e1) & (x1 = x2) & n_dog(x1) & card_eq_3(x1))
exists e1 x1 x2 x3.(n_rain(x3) & a_topic(x1) & in(e1,x3) & Actor(e1,x2) & v_play(e1) & (x1 = x2) & n_dog(x1) & card_eq_3(x1))