| http://www.w3.org/ns/prov#value | - harity where what is received in return is . . . an intangible . . . that is not bought and sold except in donative contexts so that the only ???market??? price against which it can be evaluated is a market price that always includes donations . . . . [I]f one buys a $100 seat at a prayer breakfast receiving as the quid pro quo food for both body and soul???it would make no sense to say that no ch
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