Four people are browsing in a market.
Four people are looking in a market.
Four people browsing in a market is the same as four people looking in a market.
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.(in(e1,x2) & n_market(x2) & Actor(e1,x1) & v_look(e1) & n_people(x1) & card_eq_4(x1))