Two children display a stone with dialect on it while people in the background are reading.
People read the newspaper while children do a performance for others.
The first sentences says nothing about people reading the newspaper and children also doing a performance.
exists e2 e1 x1 x2 x3 x4 x5 x6 x7.(n_background(x6) & Theme(e2,x7) & Actor(e2,x1) & v_read(e2) & n_thing(x7) & while(e1,x5) & in(x5,x6) & n_people(x5) & on(e1,x1) & n_thing(x1) & with(e1,x4) & n_dialect(x4) & Theme(e1,x3) & Actor(e1,x2) & v_display(e1) & n_stone(x3) & (x1 = x2) & n_child(x1) & card_eq_2(x1))
exists e1 p1 x1 x2.(n_person(x2) & n_newspaper(x2) & exists e2 x3 x4 x5.(Theme(e2,x4) & Actor(e2,x3) & v_do(e2) & for(x4,x5) & -(x5 = x2) & n_person(x5) & n_performance(x4) & n_child(x3)) & while(e1,p1) & Theme(e1,x2) & Actor(e1,x1) & v_read(e1) & n_people(x1))