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    { "id" : "http://dbpedia.org/resource/Wason_selection_task"
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        "http://www.w3.org/2000/01/rdf-schema#comment" : [ "The Wason selection task (or four-card problem) is a logic puzzle devised by Peter Cathcart Wason in 1966. It is one of the most famous tasks in the study of deductive reasoning. An example of the puzzle is:You are shown a set of four cards placed on a table, each of which has a number on one side and a colored patch on the other side.  The visible faces of the cards show 3, 8, red and brown." ] ,
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        "http://dbpedia.org/ontology/thumbnail" : [ "http://commons.wikimedia.org/wiki/Special:FilePath/Wason_selection_task_cards.svg?width=300"] } } }
