A gang of people are performing on a street.
People are watching a movie.
People are either watching a movie or performance.
exists e1 x1 x2 x3.(on(e1,x3) & n_street(x3) & Actor(e1,x1) & v_perform(e1) & of(x1,x2) & n_people(x2) & n_gang(x1))
exists e1 x1 x2.(Theme(e1,x2) & Actor(e1,x1) & v_watch(e1) & n_movie(x2) & n_people(x1))