A man sitting on a cliff face, looking at the water.
he is not wearing a shirt.
Doesn't say the man is not wearing a shirt.
exists e1 e2 x1 x2 x3 x4 x5.(n_water(x5) & a_topic(x1) & for(e1,e2) & at(e2,x5) & Actor(e2,x2) & v_look(e2) & on(e1,x3) & n_face(x3) & of(x3,x4) & n_cliff(x4) & Actor(e1,x2) & v_sit(e1) & (x1 = x2) & n_man(x1))
exists x1.(n_male(x1) & -exists e1 x2.(Theme(e1,x2) & Actor(e1,x1) & v_wear(e1) & n_shirt(x2)))