People stopped at a street vendor.
People stopped at a deli.
Street vendor is not the same as a deli.
exists e1 x1 x2 x3.(at(e1,x2) & n_vendor(x2) & of(x2,x3) & n_street(x3) & Actor(e1,x1) & v_stop(e1) & n_people(x1))
exists e1 x1 x2.(at(e1,x2) & n_deli(x2) & Actor(e1,x1) & v_stop(e1) & n_people(x1))