A woman is holding a child.
A person holds a person.
A woman is a person and saying that she is holding is the synonymous with saying that she holds a child, likewise, the child is also a person.
exists e1 x1 x2.(Theme(e1,x2) & Actor(e1,x1) & v_hold(e1) & n_child(x2) & n_woman(x1))
exists e1 x1 x2.(Theme(e1,x2) & Actor(e1,x1) & v_hold(e1) & n_person(x2) & n_person(x1))