With no explanation, label text_A→text_B with either "not_related" or "related".
text_A: Ryan Gosling starred in a 2010 miniseries.
text_B: Biofuel in Italy is used as a replacement for petroleum based fuels , mainly for transportation .. petroleum. petroleum. Biofuel. Biofuel. Italy. Italy. Biofuel includes biodiesel and automobile fuel , in the form of gasoline , and ethanol .. Biofuel. Biofuel. Italy is a major producer of biodiesel in the European Union .. Italy. Italy
not_related.