People visiting a stadium.
People visit RFK stadium.
RFK stadium is not the only stadium for people to visit.
exists e1 x1 x2 x3.(a_topic(x1) & Theme(e1,x3) & Actor(e1,x2) & v_visit(e1) & n_stadium(x3) & (x1 = x2) & n_people(x1))
exists e1 x1 x2 x3.(Theme(e1,x2) & Actor(e1,x1) & v_visit(e1) & n_stadium(x2) & (x2 = x3) & ne_org_rfk(x3) & n_people(x1))