The sign indicates a marker for The Arlington Line.
The sign shows the way to Arlington
Arlington might be the name of a person and not a place.
exists e1 x1 x2 x3 x4.(ne_org_line(x3) & (x3 = x4) & ne_org_arlington(x4) & n_sign(x1) & Theme(e1,x2) & Actor(e1,x1) & v_indicate(e1) & for(x2,x3) & n_marker(x2))
exists e1 x1 x2 x3.(ne_geo_arlington(x3) & n_way(x2) & n_sign(x1) & Theme(e1,x2) & Actor(e1,x1) & v_show(e1) & to(x2,x3))