Concert goers walking towards a festival.
People walk towards the concert.
Concert goers are people, and a concert is a type of festival.
exists e1 x1 x2 x3 x4.(a_topic(x1) & towards(e1,x4) & n_festival(x4) & Actor(e1,x3) & v_walk(e1) & (x1 = x3) & n_goer(x1) & (x1 = x2) & ne_nam_concert(x2))
exists e1 x1 x2.(n_concert(x2) & towards(e1,x2) & Actor(e1,x1) & v_walk(e1) & n_people(x1))