With no explanation, label text_A→text_B with either "not_related" or "related".
text_A: Lamniformes include a rare species of deep-sea shark.
text_B: The list of shipwrecks in the 1st millennium includes some ships sunk , wrecked or otherwise lost between 1 January AD 1 and 31 December AD 1000 , of the Julian calendar .. Julian calendar. Julian calendar. ships. Nemi ships. c. 40. An Obelisk ship caught fire while on display at the Puteoli harbour during Caligula 's reign -LRB- 36 -- 41 AD -RRB- .. Obelisk ship. Obelisk ship. Puteoli. Pozzuoli. Caligula. Caligula. Two ships used as floating palaces were intentionally sunk on Lake Nemi after the death of Caligula .. Caligula. Caligula. ships. Nemi ships. Lake Nemi. Lake Nemi. c. 50. An Obelisk ship was purposely sunk by the emperor Claudius to build Portus harbour .. Obelisk ship. Obelisk ship. Claudius. Claudius. Portus. Portus. c. 60. The Madrague de Giens is a 40 m Roman cargo ship , lying in 18 to 20 metres of water off the coast of the small fishing port of La Madrague de Giens , on the Giens peninsula , east of Toulon .. Madrague de Giens. Madrague de Giens ( Shipwreck ). Roman. Roman Empire. Giens peninsula. Giens peninsula. Toulon. Toulon. c. 280. A Gallo-Roman ship caught fire and sank in the harbour at Saint Peter Port , Guernsey .. Roman. Roman Empire. Saint Peter Port. Saint Peter Port. Guernsey. Guernsey. Discovered in 1982 by Richard Keen , a local diver , the ship was raised between 1984 and 1987 by the Guernsey Maritime Trust .. Guernsey. Guernsey. Some of the artifacts are on show at Castle Cornet .. Castle Cornet. Castle Cornet. c. 570. A Byzantine ship carrying marble columns and anchors sank off the island of Ekinlik , in the Sea of Marmara , Turkey .. Byzantine. Byzantine Empire. Sea of Marmara. Sea of Marmara. Turkey. Turkey. The wreck was found by sonar in 1997 .. c. 830. An Arab dhow carrying a valuable cargo , from China to Africa , including ceramics from Changsha , spice jars , ewers , inkwells , funeral urns and gilt-silver boxes was wrecked off Belitung , Sumatra .. Arab. Arab. dhow. dhow. China. China. Africa. Africa. Changsha. Chinese ceramics. ewers. Pitcher ( container ). Belitung. Belitung. Sumatra. Sumatra. The Belitung shipwreck also known as the ″ Tang shipwreck '' or `` Tang treasure ship ″ was discovered in 1998 by sea cucumber divers .. Belitung. Belitung. Belitung shipwreck. Belitung shipwreck. sea cucumber. sea cucumber. -LRB- First report -RRB- -- Danish fleet  : Loss of 120 galleys at Swanage , following an agreement with King Alfred to leave Wessex .. Swanage. Swanage. King Alfred. Alfred the Great. Wessex. Wessex. Reports differ as to whether loss was due to a storm or fog .. A Viking fleet is reported to have been wrecked in Dundrum with the loss of around nine hundred lives .. Viking fleet. Viking ships. Dundrum. Dundrum, County Down
not_related.