A festival in the park somewhere.
There is a convention int he convention center.
A park and a convention center are two different places.
exists x1 x2.(n_park(x2) & a_topic(x1) & in(x1,x2) & r_somewhere(x2) & n_festival(x1))
exists p1 x1 p2 x2 x3.((x1 = x2) & exists e1 x4.(Time(e1,x4) & n_center(x4) & Actor(e1,x2) & v_convention(e1)) & n_male(x2) & Topic(x2,p2) & n_int(x2) & of(x2,x3) & n_convention(x3))