{ "items" : [
    { "id" : "http://webisa.webdatacommons.org/205837519"
      "properties" : {
        "http://www.w3.org/1999/02/22-rdf-syntax-ns#type" : [ "http://www.w3.org/ns/prov#Entity" ] ,
        "http://www.w3.org/ns/prov#value" : [ "CellEra suggests ammonia as a source for hydrogen, but that only defers the problem, since industrial ammonia is produced mainly from natural gas and to some extent from petroleum sources." ] ,
        "http://www.w3.org/ns/prov#wasQuotedFrom" : [ "cleantechnica.com" ] } },

    { "id" : "http://webisa.webdatacommons.org/prov/235890613"
      "properties" : {
        "http://www.w3.org/ns/prov#wasDerivedFrom" : [ "http://webisa.webdatacommons.org/205837519"] } } }
