With no explanation, label text_A→text_B with either "not_related" or "related".
text_A: The Hateful Eight's script was leaked.
text_B: Micropterix herminiella is a species of moth belonging to the family Micropterigidae .. Micropterigidae. Micropterigidae. Micropterix. Micropterix. moth. moth. It was described by Corley in 2007 .. It is only known from northern Portugal .. Portugal. Portugal
not_related.