An elderly couple is watching a young woman interact with her baby.
The old couple has a baby.
Just because they are watching a woman with a baby does not mean the old couple has a baby.
exists e1 s1 s2 x1 x2 x3 x4.(with(e1,x4) & n_baby(x4) & of(x4,x1) & n_female(x1) & Theme(e1,x2) & Actor(e1,x1) & v_watch(e1) & n_interact(x2) & of(x2,x3) & n_woman(x3) & a_young(s2) & Theme(s2,x2) & n_couple(x1) & a_elderly(s1) & Theme(s1,x1))
exists e1 s1 x1 x2.(n_couple(x1) & a_old(s1) & Theme(s1,x1) & Theme(e1,x2) & Actor(e1,x1) & v_have(e1) & n_baby(x2))