With no explanation, label text_A→text_B with either "not_related" or "related".
text_A: Lucas starred an actor whose death took place in March.
text_B: Trichromia flavomarginata is a moth in the family Erebidae .. moth. moth. Erebidae. Erebidae. It was described by Rothschild in 1910 .. Rothschild. Walter Rothschild. It is found in Brazil .. Brazil. Brazil
not_related.