With no explanation, label text_A→text_B with either "not_related" or "related".
text_A: Legion was created in a convent.
text_B: The Essen Formation is a geologic formation in Germany .. Formation. Formation ( stratigraphy ). Germany. Germany. geologic formation. Formation ( geology ). It preserves fossils dating back to the Carboniferous period .. Carboniferous. Carboniferous. fossils. fossils. period. Period ( geology )
not_related.