A man sleeping with a young boy sleeping on his lap.
Man is holding his son while he sleeps.
A young boy with a man does not necessarily imply that the boy is his son.
exists e2 e1 s1 x1 x2 x3 x4 x5.(a_topic(x1) & with(e1,x3) & on(e2,x5) & n_lap(x5) & of(x5,x1) & n_male(x1) & Actor(e2,x4) & v_sleep(e2) & (x3 = x4) & n_boy(x3) & a_young(s1) & Theme(s1,x3) & Actor(e1,x2) & v_sleep(e1) & (x1 = x2) & n_man(x1))
exists e1 p1 x1 x2.(exists e2.(Actor(e2,x1) & v_sleep(e2)) & n_male(x1) & n_male(x1) & while(e1,p1) & Theme(e1,x2) & Actor(e1,x1) & v_hold(e1) & n_son(x2) & of(x2,x1) & n_man(x1))