Someone is sitting on a hill overlooking a rocky mountain.
She is sitting on a board looking at the dog.
If one sits on a hill, they can not sit on a board at the same time.
exists e2 e1 s1 x1 x2 x3 x4.(on(e1,x2) & Theme(e2,x4) & Actor(e2,x3) & v_overlook(e2) & n_mountain(x4) & a_rocky(s1) & Theme(s1,x4) & (x2 = x3) & n_hill(x2) & Actor(e1,x1) & v_sit(e1) & n_person(x1))
exists e1 e2 x1 x2.(n_dog(x2) & for(e1,e2) & at(e2,x2) & Actor(e2,x1) & v_look(e2) & on(e1,x1) & n_board(x1) & Actor(e1,x1) & v_sit(e1) & n_female(x1))