{ "items" : [
    { "id" : "http://webisa.webdatacommons.org/prov/272054265"
      "properties" : {
        "http://www.w3.org/ns/prov#wasDerivedFrom" : [ "http://webisa.webdatacommons.org/374719912" ] } },

    { "id" : "http://webisa.webdatacommons.org/374719912"
      "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" : [ "Smoking is a primary risk factor for COPD, accounting for up to 75% of all COPD cases globally." ] ,
        "http://www.w3.org/ns/prov#wasQuotedFrom" : [ "lef.org" ] } },

    { "id" : "http://webisa.webdatacommons.org/prov/242830875"
      "properties" : {
        "http://www.w3.org/ns/prov#wasDerivedFrom" : [ "http://webisa.webdatacommons.org/374719912"] } } }
