With no explanation, label text_A→text_B with either "not_related" or "related".
text_A: Billie Jean King played tennis against a team from Great Britain.
text_B: Eugenia horizontalis is a species of plant in the Myrtaceae family .. Myrtaceae. Myrtaceae. Eugenia. Eugenia. plant. plant. It is endemic to New Caledonia .. endemic. Endemism. New Caledonia. New Caledonia
not_related.