A dog eating a pine cone.
The dog has no mouth.
A dog cannot be eating if it has no mouth
exists e1 x1 x2 x3 x4.(a_topic(x1) & Theme(e1,x3) & Actor(e1,x2) & v_eat(e1) & n_cone(x3) & of(x3,x4) & n_pine(x4) & (x1 = x2) & n_dog(x1))
exists x1.(n_dog(x1) & -exists e1 x2.(Theme(e1,x2) & Actor(e1,x1) & v_have(e1) & n_mouth(x2)))