There children are outside playing, with two boys smiling and running.
The children are outdoors.
outdoors is a rephasing of outside.
exists p1 s1.(a_topic(s1) & exists e2 e1 p2 x1 x2 x3.(Actor(e2,x3) & v_run(e2) & with(p2,x3) & n_boy(x3) & card_eq_2(x3) & Actor(e1,x2) & v_smile(e1) & with(p2,x2) & n_boy(x2) & card_eq_2(x2) & exists s2 x4.((x1 = x4) & n_playing(x4) & a_outside(s2) & Theme(s2,x4)) & n_child(x1)) & that(s1,p1))
exists p1 x1.(n_child(x1) & exists x2.((x1 = x2) & n_outdoors(x2)))