With no explanation, label text_A→text_B with either "not_related" or "related".
text_A: Sa Talaiassa is the highest mountain on a island.
text_B: The fifth election to the Neath Port Talbot County Borough Council was held on 3 May 2012 .. Neath Port Talbot County Borough Council. Neath Port Talbot County Borough Council. It was preceded by the 2008 election and will be followed by the 2017 election .. 2008 election. Neath Port Talbot County Borough Council election, 2008. 2017 election. Neath Port Talbot County Borough Council election, 2017. On the same day there were elections to the other 21 local authorities in Wales and community councils in Wales .
not_related.