A naked person standing on a rock.
A nude person stands on a rock.
A nude person is also a naked person.
exists e1 s1 x1 x2 x3.(a_topic(x1) & on(e1,x3) & n_rock(x3) & Actor(e1,x2) & v_stand(e1) & (x1 = x2) & n_person(x1) & a_naked(s1) & Theme(s1,x1))
exists e1 s1 x1 x2.(on(e1,x2) & n_rock(x2) & Actor(e1,x1) & v_stand(e1) & n_person(x1) & a_nude(s1) & Theme(s1,x1))