Two old people look on at a guy selling something for 1.20 euro.
Two old people are waiting to see if the sale happens because they want to buy the item.
Two old people look on at a guy selling something for 1.20 euro. does not indicate that they are waiting to see if the sale happens because they want to buy the item.
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 p1 s1 x1 x2 x3.(n_item(x3) & n_thing(x2) & n_sale(x2) & Topic(e1,p1) & Actor(e1,x1) & v_wait(e1) & exists e2 p2.(Topic(e2,p2) & Actor(e2,x1) & v_see(e2) & exists e3 p3.(exists e4 p4.(Topic(e4,p4) & Actor(e4,x2) & v_want(e4) & exists e5.(Theme(e5,x3) & Actor(e5,x2) & v_buy(e5))) & because(e3,p3) & Actor(e3,x2) & v_happen(e3))) & n_people(x1) & a_old(s1) & Theme(s1,x1) & card_eq_2(x1))