A sign on a store in and urban neighborhood.
A sign on McDonalds in an urban part of Chigago.
First the sentence refers to store not fast food restaurant McDonalds. Secondly the urban area may not be Chicago.
exists s1 x1 x2 x3.(a_topic(x1) & on(x1,x2) & in(x2,x3) & n_neighborhood(x3) & a_urban(s1) & Theme(s1,x3) & n_store(x2) & n_sign(x1))
exists s1 x1 x2 x3 x4.(ne_geo_chigago(x4) & a_topic(x1) & on(x1,x2) & in(x2,x3) & of(x3,x4) & n_part(x3) & a_urban(s1) & Theme(s1,x3) & n_mcdonald(x2) & n_sign(x1))