A woman and a baby interacting.
the mother is playing with her baby
A woman does not have to be a mother.  A baby does not have to be a woman's just because she is interacting with it.  Just because a woman is interacting with a baby it does not mean she is playing with the baby.
exists e1 s1 x1 x2 x3.(a_topic(s1) & subset_of(x2,s1) & Actor(e1,x3) & v_interact(e1) & (x2 = x3) & n_baby(x2) & subset_of(x1,s1) & n_woman(x1))
exists e1 x1 x2.(n_baby(x2) & of(x2,x1) & n_female(x1) & n_mother(x1) & with(e1,x2) & Actor(e1,x1) & v_play(e1))