A young mother and her baby walk along a street.
The mother pushes the baby in a carriage to the store.
A mother and her baby walking along a street are not necessarily going to the store and not necessarily in a carriage.
exists s1 s2 x1 x2 x3 x4.(a_topic(s1) & subset_of(x2,s1) & along(x2,x4) & n_street(x4) & n_walk(x2) & of(x2,x3) & n_baby(x3) & of(x2,x1) & n_female(x1) & subset_of(x1,s1) & n_mother(x1) & a_young(s2) & Theme(s2,x1))
exists e1 x1 x2 x3 x4.(n_store(x4) & n_baby(x2) & n_mother(x1) & Theme(e1,x2) & Actor(e1,x1) & v_push(e1) & in(x2,x3) & to(x3,x4) & n_carriage(x3))