A man wearing black is looking over a cliff.
the man is a farmer
Not all people are a farmer.
exists e1 s1 x1 x2 x3 x4.(over(e1,x4) & n_cliff(x4) & Actor(e1,x1) & v_look(e1) & Theme(s1,x3) & a_black(s1) & (x1 = x3) & n_wear(x1) & of(x1,x2) & n_man(x2))
exists p1 x1.(n_man(x1) & exists x2.((x1 = x2) & n_farmer(x2)))