A man stands in a hole.
A man stands in a wet hole
If a man stands in a hole, it may not be wet.
exists e1 x1 x2.(in(e1,x2) & n_hole(x2) & Actor(e1,x1) & v_stand(e1) & n_man(x1))
exists e1 s1 x1 x2.(in(e1,x2) & n_hole(x2) & a_wet(s1) & Theme(s1,x2) & Actor(e1,x1) & v_stand(e1) & n_man(x1))