A woman pushing a baby carriage in front of some buildings.
A mother pushes her baby for an afternoon stroll.
The first sentence doesn't directly imply that the woman is a mother, only that she is pushing a baby. The time of day is also not suggested in the first sentence.
exists e1 x1 x2 x3 x4 x5 x6.(a_topic(x1) & in(e1,x5) & of(x5,x6) & n_building(x6) & n_front(x5) & Theme(e1,x3) & Actor(e1,x2) & v_push(e1) & n_carriage(x3) & of(x3,x4) & n_baby(x4) & (x1 = x2) & n_woman(x1))
exists e1 x1 x2 x3 x4.(Theme(e1,x2) & Actor(e1,x1) & v_push(e1) & for(x2,x3) & n_stroll(x3) & of(x3,x4) & n_afternoon(x4) & n_baby(x2) & of(x2,x1) & n_female(x1) & n_mother(x1))