An old man sitting on a chair selling paint.
A man selling paint for $20 a can.
Just because An old man sitting on a chair selling paint does not mean he is selling it for $20 a can.
exists e2 e1 s1 x1 x2 x3 x4.(a_topic(x1) & for(e1,e2) & Theme(e2,x4) & Actor(e2,x2) & v_sell(e2) & n_paint(x4) & on(e1,x3) & n_chair(x3) & Actor(e1,x2) & v_sit(e1) & (x1 = x2) & n_man(x1) & a_old(s1) & Theme(s1,x1))
exists e1 x1 x2 x3.(a_topic(x1) & all x4.(n_can(x4) -> exists x5.(for(e1,x5) & for(x5,x4) & n_date(x5) & a_date_day_20(x5) & a_date_day_20(x5) & n_dollar(x5))) & Theme(e1,x3) & Actor(e1,x2) & v_sell(e1) & n_paint(x3) & (x1 = x2) & n_man(x1))