Concert goers enjoy a show.
People are watching a concert.
Concert goers are made up of people.
exists e1 x1 x2 x3.(Theme(e1,x3) & Actor(e1,x1) & v_enjoy(e1) & n_show(x3) & n_goer(x1) & (x1 = x2) & ne_nam_concert(x2))
exists e1 x1 x2.(Theme(e1,x2) & Actor(e1,x1) & v_watch(e1) & n_concert(x2) & n_people(x1))