A military unit in a parade.
The parade is celebrating the 4th of July
There could have been any number of reasons for this parade other than celebrating the 4th of July.
exists s1 x1 x2.(a_topic(x1) & in(x1,x2) & n_parade(x2) & n_unit(x1) & a_military(s1) & Theme(s1,x1))
exists e1 x1 x2 x3.(n_date(x3) & a_date_month_07(x3) & a_date_month_07(x3) & n_date(x2) & a_date_day_04(x2) & a_date_day_04(x2) & n_parade(x1) & Theme(e1,x2) & Actor(e1,x1) & v_celebrate(e1) & of(x2,x3))