{ "items" : [
    { "id" : "http://webisa.webdatacommons.org/56930214"
      "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" : [ "Black lung disease, maiming injury, and gruesome death have been the wages of coal mining for nearly two hundred years, even as the mines spawned a militant and organized workforce that successfully demanded improved working conditions, better wages, and benefits such as health care and pensions." ] ,
        "http://www.w3.org/ns/prov#wasQuotedFrom" : [ "laprogressive.com" ] } },

    { "id" : "http://webisa.webdatacommons.org/prov/8161235"
      "properties" : {
        "http://www.w3.org/ns/prov#wasDerivedFrom" : [ "http://webisa.webdatacommons.org/56930214" ] } },

    { "id" : "http://webisa.webdatacommons.org/prov/436360261"
      "properties" : {
        "http://www.w3.org/ns/prov#wasDerivedFrom" : [ "http://webisa.webdatacommons.org/56930214"] } } }
