With no explanation, label text_A→text_B with either "not_related" or "related".
text_A: Venom only appears in Bolivian comic books.
text_B: Tentaculites is an extinct genus of conical fossils of uncertain affinity , class Tentaculita , although it is not the only member of the class .. Tentaculita. Tentaculita. It is known from Lower Ordovician to Upper Devonian deposits both as calcitic shells with a brachiopod-like microstructure and carbonaceous ` linings ' .. Devonian. Devonian. The `` tentaculites '' -LRB- i.e. tentaculita -RRB- are also referred to as the styliolinids .
not_related.