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Witch Case
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See http://clarkparsia.com/weblog/2007/01/02/burn-the-witch/
and http://www.netfunny.com/rhf/jokes/90q4/burnher.html

Original http://www.w3.org/2000/10/swap/test/reason/witch.n3

The tests are at http://josd.github.io/eye/reasoning/witch/test
