A man holds a small child.
They are related
Just holding a child does not mean they are related.
exists e1 s1 x1 x2.(Theme(e1,x2) & Actor(e1,x1) & v_hold(e1) & n_child(x2) & a_small(s1) & Theme(s1,x2) & n_man(x1))
exists e1 x1.(n_thing(x1) & Theme(e1,x1) & v_relate(e1))