A festival in the park somewhere.
There is a festival in a park.
There is a festival in a park implies that it's somewhere.
exists x1 x2.(n_park(x2) & a_topic(x1) & in(x1,x2) & r_somewhere(x2) & n_festival(x1))
exists p1 x1 x2 x3.((x1 = x2) & in(x2,x3) & n_park(x3) & n_festival(x2))