With no explanation, label text_A→text_B with either "not_related" or "related".
text_A: Adolf Hitler encouraged settler colonialism.
text_B: Grotella melanocrypta is a species of moth in the genus Grotella , of the family Noctuidae .. Noctuidae. Noctuidae. Grotella. Grotella. This moth species is found in North America , including Puebla , Mexico , its type location .. Puebla. Puebla. Mexico. Mexico
not_related.