{ "items" : [
    { "id" : "http://webisa.webdatacommons.org/295386710"
      "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" : [ "for their presence in a number of human foods and beverages such as cocoa, coffee, beer, black and green tea.5 Another major constituent of green and black teas and coffee is caffeine (2), which is a stimulant of Chemistry 2000 The self-association of the black tea polyphenol theaflavin and its complexation" ] ,
        "http://www.w3.org/ns/prov#wasQuotedFrom" : [ "osti.gov" ] } },

    { "id" : "http://webisa.webdatacommons.org/prov/294311071"
      "properties" : {
        "http://www.w3.org/ns/prov#wasDerivedFrom" : [ "http://webisa.webdatacommons.org/295386710"] } } }
