While protection from the elements helped, dwellers in temperate and arctic lands needed heat to survive the terrible cold of winter.
(protection from the elements; helped; ) (dwellers in temperate and arctic lands; needed; heat; to survive the terrible cold of winter; T:While protection from the elements helped) Context(dwellers in temperate and arctic lands needed,List([43, 88))):(dwellers in temperate and arctic lands; needed heat to survive; the terrible cold of winter)
dwellers in temperate and arctic lands needed,List([43, 88))
protection from the elements dwellers in temperate and arctic lands dwellers in temperate and arctic lands
helped needed needed heat to survive
heat to survive the terrible cold of winter T:While protection from the elements helped
the terrible cold of winter