With no explanation, label text_A→text_B with either "not_related" or "related".
text_A: The blue-ringed octopus hunts seagulls.
text_B: The 2012 Eurocup Megane Trophy season was the eighth season of the Renault -- supported touring car category , a one-make racing series that is part of the World Series by Renault .. Renault. Renault. touring car. Touring car racing. category. Eurocup Megane Trophy. one-make racing series. One-Design. World Series by Renault. World Series by Renault
not_related.