The women is holding a baby.
The women are all mothers.
Not all women holding babies are mothers.
exists e1 x1 x2.(n_woman(x1) & Theme(e1,x2) & Actor(e1,x1) & v_hold(e1) & n_baby(x2))
exists p1 x1.(n_woman(x1) & all x2.(n_mother(x2) -> (x1 = x2)))