Children of elementary school age walk along a sidewalk.
The children are walking home from school.
Children walk along a sidewalk does not imply that they are walking home from school.
exists e1 s1 x1 x2 x3 x4.(along(e1,x4) & n_sidewalk(x4) & Theme(e1,x1) & v_walk(e1) & of(x1,x2) & n_age(x2) & of(x2,x3) & n_school(x3) & a_elementary(s1) & Theme(s1,x2) & n_child(x1))
exists e1 x1 x2 x3.(n_child(x1) & from(e1,x3) & n_school(x3) & Time(e1,x2) & n_home(x2) & Actor(e1,x1) & v_walk(e1))