A man and his child sitting on the ground.
A man is with his child.
If both a man and his child are both sitting together, then the man is while his child.
exists e1 s1 x1 x2 x3 x4.(n_ground(x4) & a_topic(s1) & subset_of(x2,s1) & on(e1,x4) & Actor(e1,x3) & v_sit(e1) & (x2 = x3) & n_child(x2) & of(x2,x1) & n_male(x1) & subset_of(x1,s1) & n_man(x1))
exists p1 x1 x2.(with(x1,x2) & n_child(x2) & of(x2,x1) & n_male(x1) & n_man(x1))