A baby girl being taken on a walk with her father in a park.
A baby girl learning how to walk walks a couple feet in front of her father near a bench.
How can you possibly infer her learning how to walk, walking a couple feet in front of her father near a bench all from "on a walk with her father."  ?  You cannot.
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 e2 x1 x2 x3 x4 x5 x6 x7 x8 x9.(in(e2,x7) & near(x7,x9) & n_bench(x9) & of(x7,x8) & n_father(x8) & of(x8,x1) & n_female(x1) & n_front(x7) & Theme(e2,x5) & Actor(e2,x1) & v_walk(e2) & n_foot(x5) & of(x5,x6) & n_couple(x6) & Topic(e1,x4) & Actor(e1,x3) & v_learn(e1) & n_manner(x4) & exists e3 x10.(Actor(e3,x10) & v_walk(e3)) & (x1 = x3) & n_girl(x1) & of(x1,x2) & n_baby(x2))