Bolts hold the sign on the pole.
The pole is very tall.
A pole may be of a height other then tall.
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 s1 x1.(n_pole(x1) & r_very(s1) & Theme(s1,x1) & a_tall(s1))