Two young girls walk in a parade.
Classmates march in the 4th of July parade with flags.
All young girls are not classmates.  Walking in a parade doesn't mean it's a 4th of July parade or that they have flags.
exists e1 s1 x1 x2.(in(e1,x2) & n_parade(x2) & Theme(e1,x1) & v_walk(e1) & n_girl(x1) & a_young(s1) & Theme(s1,x1) & card_eq_2(x1))
exists e1 x1 x2 x3 x4.(n_date(x2) & a_date_day_04(x2) & a_date_day_04(x2) & in(e1,x2) & of(x2,x3) & with(x3,x4) & n_flag(x4) & n_parade(x3) & n_date(x3) & a_date_month_07(x3) & a_date_month_07(x3) & Actor(e1,x1) & v_march(e1) & n_classmate(x1))