With no explanation, label text_A→text_B with either "not_related" or "related".
text_A: Agatha Christie died in the 1970s.
text_B: Acupalpus alumnus is an insect-eating ground beetle of the Acupalpus genus .. Acupalpus. Acupalpus. insect-eating. Insectivore. beetle. beetle. genus. genus. Category  : Acupalpus. Acupalpus. Acupalpus
not_related.