A family of four is crossing the street.
The family is jaywalking.
Not all a family of four crossing the street is jaywalking.
exists e1 x1 x2 x3.(n_street(x3) & Theme(e1,x3) & Actor(e1,x1) & v_cross(e1) & of(x1,x2) & n_thing(x2) & card_eq_4(x2) & n_family(x1))
exists e1 x1.(n_family(x1) & Actor(e1,x1) & v_jaywalk(e1))