A girl with a backpack and a boy on a bike are standing at a crosswalk.
Two students on their way home from school.
Just because two people with a backpack and bike are at a crosswalk does not mean they are students or that they are coming from school.
exists e1 x1 x2 x3 x4 x5 x6.(at(e1,x6) & n_crosswalk(x6) & Actor(e1,x1) & v_stand(e1) & with(x1,x2) & subset_of(x4,x2) & on(x4,x5) & n_bike(x5) & n_boy(x4) & subset_of(x3,x2) & n_backpack(x3) & n_girl(x1))
exists x1 x2 x3 x4.(a_topic(x1) & on(x1,x2) & from(x2,x4) & n_school(x4) & n_home(x2) & of(x2,x3) & n_way(x3) & of(x2,x1) & n_thing(x1) & n_student(x1) & card_eq_2(x1))