Two old people look on at a guy selling something for 1.20 euro.
Two young people are talking on the street.
they are either old people or young people
exists e2 e1 s1 x1 x2 x3 x4 x5.(r_on(e1) & at(e1,x2) & Theme(e2,x4) & Actor(e2,x3) & v_sell(e2) & for(x4,x5) & n_euro(x5) & card_eq_1.2(x5) & n_thing(x4) & (x2 = x3) & n_guy(x2) & Actor(e1,x1) & v_look(e1) & n_people(x1) & a_old(s1) & Theme(s1,x1) & card_eq_2(x1))
exists e1 s1 x1 x2.(n_street(x2) & on(e1,x2) & Actor(e1,x1) & v_talk(e1) & n_people(x1) & a_young(s1) & Theme(s1,x1) & card_eq_2(x1))