A little girl standing on her head.
The little girl is sitting on her behind.
The girl cannot be standing on her head and sitting on her behind simultaneously
exists e1 s1 x1 x2 x3.(a_topic(x1) & on(e1,x3) & n_head(x3) & of(x3,x1) & n_female(x1) & Actor(e1,x2) & v_stand(e1) & (x1 = x2) & n_girl(x1) & a_little(s1) & Theme(s1,x1))
exists e1 s1 x1 x2.(n_behind(x2) & of(x2,x1) & n_female(x1) & n_girl(x1) & a_little(s1) & Theme(s1,x1) & on(e1,x2) & Actor(e1,x1) & v_sit(e1))