A little girl is sitting on Santa's lap
A boy runs through the house.
A girl cannot be a boy.
exists e1 s1 s2 x1 x2.(on(e1,x2) & n_lap(x2) & a_'s(s2) & Theme(s2,x2) & ne_geo_santa(x2) & Actor(e1,x1) & v_sit(e1) & n_girl(x1) & a_little(s1) & Theme(s1,x1))
exists e1 x1 x2.(n_house(x2) & through(e1,x2) & Actor(e1,x1) & v_run(e1) & n_boy(x1))