For decades, anthropologists have considered upright walking a defining characteristic of the human lineage.
(anthropologists; have considered; upright; T:For decades) Context(anthropologists have considered,List([13, 44))):(anthropologists; have considered upright walking; a defining characteristic of the human lineage)
anthropologists have considered,List([13, 44))
anthropologists anthropologists
have considered have considered upright walking
upright T:For decades
a defining characteristic of the human lineage