The woman is playing with a baby.
A woman plays with a baby.
is playing implies that she plays
exists e1 x1 x2.(n_woman(x1) & with(e1,x2) & n_baby(x2) & Actor(e1,x1) & v_play(e1))
exists e1 x1 x2.(with(e1,x2) & n_baby(x2) & Actor(e1,x1) & v_play(e1) & n_woman(x1))