With no explanation, label text_A→text_B with either "not_related" or "related".
text_A: Charles II of England was named on 29 May 1630.
text_B: Gymnostachyum febrifugum is a herb endemic to the southern Western Ghats of India .. Gymnostachyum. Gymnostachyum. endemic. Endemism. Western Ghats. Western Ghats. India. India. It has medicinal value .. The species Gymnostachyum febrifugum is classified as a member of the Plantae kingdom , Lamiales order , Acanthaceae family , and Gymnostachyum genus .. Plantae. Plantae. Lamiales. Lamiales. Acanthaceae. Acanthaceae. Gymnostachyum. Gymnostachyum
not_related.