A dog with sharp teeth is chewing on a stick outside.
The cat is chewing on a stick.
A dog is not a cat.
exists e1 s1 x1 x2 x3 x4.(on(e1,x3) & n_outside(x3) & of(x3,x4) & n_stick(x4) & Actor(e1,x1) & v_chew(e1) & with(x1,x2) & n_tooth(x2) & a_sharp(s1) & Theme(s1,x2) & n_dog(x1))
exists e1 x1 x2.(n_cat(x1) & on(e1,x2) & n_stick(x2) & Actor(e1,x1) & v_chew(e1))