With no explanation, label text_A→text_B with either "not_related" or "related".
text_A: Lamniformes include the great white shark and the goblin shark.
text_B: The Lamniformes -LRB- from the Greek word , Lamna `` fish of prey '' -RRB- are an order of sharks commonly known as mackerel sharks -LRB- which may also refer specifically to the family Lamnidae -RRB- .. order. order ( biology ). Lamnidae. Lamnidae. It includes some of the most familiar species of sharks , such as the great white shark , as well as more unusual representatives , such as the goblin shark and the megamouth shark .. shark. shark. great white shark. great white shark. goblin shark. goblin shark. megamouth shark. megamouth shark. Members of the order are distinguished by possessing two dorsal fins , an anal fin , five gill slits , eyes without nictitating membranes , and a mouth extending behind the eyes .. order. order ( biology ). anal fin. anal fin. gill slits. gill. Also , unlike other sharks , they maintain a higher body temperature than the surrounding water .
related.