Security lining a street.
There is a bunch of people on a street.
Security is a bunch of people.
exists e1 x1 x2.(ne_nam_security(x1) & Theme(e1,x2) & Actor(e1,x1) & v_line(e1) & n_street(x2))
exists p1 x1 x2 x3 x4.((x1 = x2) & on(x2,x4) & n_street(x4) & of(x2,x3) & n_people(x3) & n_bunch(x2))