With no explanation, label text_A→text_B with either "not_related" or "related".
text_A: Split (2016 American film) is the second highest grossing movie in 2016.
text_B: This article details the Widnes Vikings rugby league football club 's 2012 season .. Widnes Vikings. Widnes Vikings. This is the seventeenth season of the Super League era .. Super League. Super League
not_related.