Two children play outside in a field.
Kids are playing outdoors.
Children are kids.  A field is outdoors.
exists e1 x1 x2.(in(e1,x2) & n_field(x2) & r_outside(e1) & Actor(e1,x1) & v_play(e1) & n_child(x1) & card_eq_2(x1))
exists e1 x1 x2.(Theme(e1,x2) & Actor(e1,x1) & v_play(e1) & n_outdoors(x2) & n_kid(x1))