A snowboarder going over a cliff.
A dog is tired and don't want to listen.
A snowboarder cannot be a dog.
exists e1 x1 x2 x3.(a_topic(x1) & over(e1,x3) & n_cliff(x3) & Actor(e1,x2) & v_go(e1) & (x1 = x2) & n_snowboarder(x1))
exists s1 x1 x2.(-exists e1 p1.(Topic(e1,p1) & Actor(e1,x2) & v_want(e1) & exists e2.(Actor(e2,x2) & v_listen(e2))) & n_dog(x2) & Theme(s1,x1) & a_tired(s1) & n_dog(x1))