Bolts hold the sign on the pole.
It is a street sign outside.
A street sign can be a sign. A sign on a pole can be outside. A sign on a pole is not necessarily outside.
exists e1 x1 x2 x3.(n_pole(x3) & n_sign(x2) & on(e1,x3) & Theme(e1,x2) & Actor(e1,x1) & v_hold(e1) & n_bolt(x1))
exists p1 s1 x1.(n_thing(x1) & a_outside(s1) & Manner(p1,s1) & exists x2 x3.((x1 = x2) & n_sign(x2) & of(x2,x3) & n_street(x3)))