With no explanation, label text_A→text_B with either "not_related" or "related".
text_A: VHS was developed in the early 1970s.
text_B: Nicholas Kevin Dulvy is the Co-Chair of the International Union for the Conservation of Nature -LRB- IUCN -RRB- Shark Specialist Group and Canada Research Chair tier II in Marine Biodiversity and Conservation at Simon Fraser University .. Simon Fraser University. Simon Fraser University. Canada Research Chair tier II. Canada Research Chair. He has published more than 100 peer-reviewed papers and book chapters on life histories , extinction risk , the ecosystem impacts of fishing and the ecological and socioeconomic impacts of climate change .. life histories. life history theory. extinction risk. Extinction. fishing. Fisheries. climate change. climate change. Dulvy was educated at The Royal School , Armagh .. He received his Bachelor of Science in Zoology from University of Birmingham in 1992 , and his Doctor of Philosophy from the University of East Anglia in 1998 .. University of Birmingham. University of Birmingham. University of East Anglia. University of East Anglia. Doctor of Philosophy. Doctor of Philosophy. He spent several years working for the UK Government Fisheries Agency before taking a position at Simon Fraser University in 2008 .. Simon Fraser University. Simon Fraser University. UK Government Fisheries Agency. Centre for Environment, Fisheries and Aquaculture Science. His contributions to marine ecology include providing evidence for fisheries-induced trophic cascades at the island scale on coral reefs and the discovery that fishes are moving to deeper habitats in response to climate change .. climate change. climate change. marine ecology. marine ecology. coral reefs. coral reefs. Dulvy and co-authors were the first to document marine population and species extinctions .. Dulvy 's work is notable for its influence on biodiversity conservation , food security , and poverty alleviation .. For this work he was the 2008 recipient of the Zoological Society of London 's Marsh Award for Marine and Freshwater Conservation which is awarded for `` contributions of fundamental science and its application to the conservation in marine and / or freshwater ecosystems '' .. The award citation was for `` research on the effects of climate change on fisheries and coastal communities , as well as threat and extinction risks in the context of improving fisheries management '' .. climate change. climate change. In 2010 , he was made a Conservation Fellow of the Zoological Society of London , an award honouring individuals who have made exceptional contributions to conservation .. Conservation Fellow of the Zoological Society of London. Fellow of the Zoological Society of London. In 2014 Dulvy was the primary author of the first global analysis of the vulnerability of chondrichthyans  : `` Extinction risk and conservation of the world 's sharks and rays '' , a collaborative effort involving 302 experts from 64 countries .. chondrichthyans. Chondrichthyes. sharks. Threatened sharks. rays. Threatened rays. As the most endangered species of sharks and rays are sawfishes , Dulvy and co-authors then developed the first global sawfish conservation strategy .. sharks. Threatened sharks. rays. Threatened rays. sawfish. sawfish
not_related.