Four people are browsing in a market.
The people are searching for sale items.
Browsing at a market doesn't necessary mean that are searching for sale items.
exists e1 x1 x2.(in(e1,x2) & n_market(x2) & Actor(e1,x1) & v_browse(e1) & n_people(x1) & card_eq_4(x1))
exists e1 x1 x2 x3.(n_people(x1) & for(e1,x2) & n_item(x2) & of(x2,x3) & n_sale(x3) & Actor(e1,x1) & v_search(e1))