An official man walking two twin girls across a street.
A man is taking two children home.
Sentence one states the man is walking two children across the street, that were twins. It did not state they were going home.
exists e1 s1 s2 x1 x2 x3 x4.(a_topic(x1) & Theme(e1,x3) & Actor(e1,x2) & v_walk(e1) & across(x3,x4) & n_street(x4) & n_girl(x3) & a_twin(s2) & Theme(s2,x3) & card_eq_2(x3) & (x1 = x2) & n_man(x1) & a_official(s1) & Theme(s1,x1))
exists e1 x1 x2 x3.(Theme(e1,x2) & Actor(e1,x1) & v_take(e1) & n_home(x2) & of(x2,x3) & n_child(x3) & card_eq_2(x2) & n_man(x1))