Guy with a beard holds a child in a blue hat.
The old man is holding his grandson.
Guy with beard does not imply an old man and child does not imply grandson.
exists e1 s1 x1 x2 x3 x4.(ne_nam_guy(x1) & in(e1,x4) & n_hat(x4) & a_blue(s1) & Theme(s1,x4) & Theme(e1,x3) & Actor(e1,x1) & v_hold(e1) & n_child(x3) & with(x1,x2) & n_beard(x2))
exists e1 s1 x1 x2.(n_grandson(x2) & of(x2,x1) & n_male(x1) & n_man(x1) & a_old(s1) & Theme(s1,x1) & Theme(e1,x2) & Actor(e1,x1) & v_hold(e1))