With no explanation, label text_A→text_B with either "not_related" or "related".
text_A: Robert Wagner is a playwright.
text_B: Leucoptera is a genus of moths in the family Lyonetiidae .. Lyonetiidae. Lyonetiidae. Its members are leaf borers many of which can cause severe damage to plant crops , such as coffee or apples .. leaf borers. leaf miners. coffee. Coffea
not_related.