An old lady is selling goods on the street.
A woman is selling items at the market.
An old lady is not necessarily a old woman.
exists e1 s1 x1 x2 x3.(n_street(x3) & on(e1,x3) & Theme(e1,x2) & Actor(e1,x1) & v_sell(e1) & n_goods(x2) & n_lady(x1) & a_old(s1) & Theme(s1,x1))
exists e1 x1 x2 x3.(n_market(x3) & at(e1,x3) & Theme(e1,x2) & Actor(e1,x1) & v_sell(e1) & n_item(x2) & n_woman(x1))