little girl standing on a wall
The girl is sitting on the wall.
You cannot be both standing and sitting on the wall.
exists e1 s1 x1 x2 x3.(a_topic(x1) & on(e1,x3) & n_wall(x3) & Actor(e1,x2) & v_stand(e1) & (x1 = x2) & n_girl(x1) & a_little(s1) & Theme(s1,x1))
exists e1 x1 x2.(n_wall(x2) & n_girl(x1) & on(e1,x2) & Actor(e1,x1) & v_sit(e1))