{ "items" : [
    { "id" : "http://webisa.webdatacommons.org/211808023"
      "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" : [ "The safest and most productive activities are swimming, brisk walking, indoor stationary cycling, step or elliptical machines, and low-impact aerobics (taught by a certified aerobics instructor)." ] ,
        "http://www.w3.org/ns/prov#wasQuotedFrom" : [ "babble.com" ] } },

    { "id" : "http://webisa.webdatacommons.org/prov/48654597"
      "properties" : {
        "http://www.w3.org/ns/prov#wasDerivedFrom" : [ "http://webisa.webdatacommons.org/211808023"] } } }
