A dog leaps down the road.
The dog is sitting, scratching itself.
The dog can't leap and be sitting or scratching itself.
exists e1 x1 x2.(n_road(x2) & down(e1,x2) & Actor(e1,x1) & v_leap(e1) & n_dog(x1))
exists e2 e1 x1 x2.(n_thing(x2) & n_dog(x1) & for(e1,e2) & Theme(e2,x2) & Actor(e2,x1) & v_scratch(e2) & Actor(e1,x1) & v_sit(e1))