A man is pulling a sled with two children on it.
There is snow on the ground.
Pulling a sled does not necessarily imply there is snow on the ground.
exists e1 x1 x2 x3.(Theme(e1,x2) & Actor(e1,x1) & v_pull(e1) & with(x2,x3) & on(x3,x1) & n_thing(x1) & n_child(x3) & card_eq_2(x3) & n_sled(x2) & n_man(x1))
exists p1 x1 x3.(n_ground(x3) & exists x2.((x1 = x2) & on(x2,x3) & n_snow(x2)))