Group of girls walking through a festival.
Some girls are at a Shakespeare festival.
Not all festivals are Shakespeare.
exists e1 s1 x1 x2 x3.(ne_org_group(s1) & a_topic(s1) & of(s1,x1) & through(e1,x3) & n_festival(x3) & Actor(e1,x2) & v_walk(e1) & (x1 = x2) & n_girl(x1))
exists p1 x1.(exists x2 x3.(at(x1,x2) & n_festival(x2) & of(x2,x3) & n_shakespeare(x3)) & n_girl(x1))