With no explanation, label text_A→text_B with either "not_related" or "related".
text_A: Indonesia has the world's second highest level of biodiversity.
text_B: The Castellani Painter was an Attic vase painter of the black-figure style active in the second quarter of the sixth century BC .. Attic. Attica. black-figure style. black-figure vase painting. The Castellani Painter is especially well known for his drawings on Tyrrhenian Amphorae , of which he is considered the most significant painter .. His work is distinguished by the use of a vegetal frieze above to animal friezes , as well as by his humorous depicitions of large-headed humans and mythical creatures .. His conventional name is derived from his name vase , once held in the Castellani Collection .. name vase. name vase
not_related.