A festival in the park somewhere.
There is a July 4th festival in the park.
Not all festivals are on July 4th. Festivals can be held anywhere, not just the park.
exists x1 x2.(n_park(x2) & a_topic(x1) & in(x1,x2) & r_somewhere(x2) & n_festival(x1))
exists p1 x1 x3.(n_park(x3) & exists x2.((x1 = x2) & in(x2,x3) & n_festival(x2) & n_date(x2) & a_date_day_04(x2) & a_date_day_04(x2) & a_date_day_04(x2) & n_date(x2) & a_date_day_04(x2) & a_date_day_04(x2) & a_date_day_04(x2)))