Group of schoolgirls walk home from class.
Some classmates are riding the bus home.
The schoolgirls may not be classmates.
exists e1 x1 x2 x3 x4.(ne_org_group(x1) & from(e1,x4) & n_class(x4) & Time(e1,x3) & n_home(x3) & Actor(e1,x1) & v_walk(e1) & of(x1,x2) & n_schoolgirl(x2))
exists e1 x1 x2 x3.(n_home(x2) & of(x2,x3) & n_bus(x3) & Theme(e1,x2) & Actor(e1,x1) & v_ride(e1) & n_classmate(x1))