Three people are in the snow.
They are in the snow.
If three people are in the snow it would be the same as saying that they are in the snow.
exists p1 x1 x2.(n_snow(x2) & in(x1,x2) & n_people(x1) & card_eq_3(x1))
exists p1 x1 x2.(n_snow(x2) & n_thing(x1) & in(x1,x2))