People in passing at a street side sale.
People are browsing a sale
Not all people passing are browsing.
exists e1 x1 x2 x3 x4 x5.(a_topic(x1) & at(e1,x3) & n_sale(x3) & of(x3,x5) & n_side(x5) & of(x3,x4) & n_street(x4) & Actor(e1,x2) & v_pass(e1) & (x1 = x2) & n_people(x1))
exists e1 x1 x2.(Theme(e1,x2) & Actor(e1,x1) & v_browse(e1) & n_sale(x2) & n_people(x1))