With no explanation, label text_A→text_B with either "not_related" or "related".
text_A: Perry Saturn was a hardcore wrestling champion.
text_B: The 2013-14 Metal Ligaen season was the 57th season of ice hockey in Denmark .. Metal Ligaen. Metal Ligaen. Denmark. Denmark. Nine teams participated in the league .. SønderjyskE Ishockey defended their 2013 Danish championship title by defeating Herning Blue Fox four games to three in the finals .. SønderjyskE Ishockey. SønderjyskE Ishockey. Herning Blue Fox. Herning Blue Fox
not_related.