Two children are making something out of snow.
Two children outside in the snow.
The fact that children are making something from snow does not mean they are outside in it, it could have been brought inside in a container, it could be artificially made snow, it's not known.
exists e1 x1 x2 x3 x4.(Theme(e1,x2) & Actor(e1,x1) & v_make(e1) & of(x3,x4) & n_snow(x4) & out(x2,x3) & n_thing(x3) & n_thing(x2) & n_child(x1) & card_eq_2(x1))
exists x1 x2 x3.(n_snow(x3) & a_topic(x1) & in(x2,x3) & outside(x1,x2) & n_thing(x2) & n_child(x1) & card_eq_2(x1))