With no explanation, label text_A→text_B with either "not_related" or "related".
text_A: Radiohead is a group.
text_B: Calophyllum euryphyllum is a species of flowering plant in the Calophyllaceae family .. Calophyllaceae. Calophyllaceae. Calophyllum. Calophyllum. flowering plant. flowering plant. It is found in Indonesia and Papua New Guinea .. Indonesia. Indonesia. Papua New Guinea. Papua New Guinea
not_related.