A baby girl being taken on a walk with her father in a park.
A little girl taken for a walk in her pink stroller.
The stroller is not mentioned at all in the first sentence, and in the second one it's not only a stroller, but it's pink as well. Impossible to infer from sentence 1.
exists e1 x1 x2 x3 x4 x5 x6.(a_topic(x1) & in(e1,x6) & n_park(x6) & with(e1,x5) & n_father(x5) & of(x5,x1) & n_female(x1) & on(e1,x4) & n_walk(x4) & Theme(e1,x3) & v_take(e1) & (x1 = x3) & n_girl(x1) & of(x1,x2) & n_baby(x2))
exists e1 s1 s2 x1 x2 x3 x4.(a_topic(x1) & for(e1,x3) & in(x3,x4) & n_stroller(x4) & a_pink(s2) & Theme(s2,x4) & of(x4,x1) & n_female(x1) & n_walk(x3) & Theme(e1,x2) & v_take(e1) & (x1 = x2) & n_girl(x1) & a_little(s1) & Theme(s1,x1))