| http://www.w3.org/ns/prov#value | - Remember that the binary reaction is meant to produce snap judgments in stressful situations, and it has no gray areas at all; a distant bit of color in a tree is either food or it???s not, the snap of a twig breaking in the forest behind you is either a predator or it???s not, and our australopithecine ancestors didn???t normally have to cope with things that were partly food and partly a predato
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