With no explanation, label text_A→text_B with either "not_related" or "related".
text_A: IPhone 3G includes a navigation tool.
text_B: The 1955 West Riding County Council election was held on Saturday , 2 April 1955 .. West Riding County Council. West Riding County Council. The election took place in the administrative county of the West Riding of Yorkshire , which excluded the county boroughs of Barnsley , Bradford , Dewsbury , Doncaster , Halifax , Huddersfield , Leeds , Rotherham , Sheffield , Wakefield and York .. West Riding of Yorkshire. West Riding of Yorkshire. Barnsley. Barnsley. Bradford. Bradford. Dewsbury. Dewsbury. Doncaster. Doncaster. Halifax. Halifax, West Yorkshire. Huddersfield. Huddersfield. Leeds. Leeds. Rotherham. Rotherham. Sheffield. Sheffield. Wakefield. Wakefield. York. York. The whole council of ninety-six members was up for election , with each county electoral division returning one councillor .. After the election the composition of the council was ;. Labour Party  : 44. Labour Party. Labour Party ( UK ). Conservative Party  : 37. Conservative Party. Conservative Party ( UK ). Independents  : 13. Independents. Independent ( politician ). Liberal Party  : 2. Liberal Party. Liberal Party ( UK )
not_related.