{ "items" : [
    { "id" : "_:b57258892"
      "properties" : {
        "http://www.w3.org/ns/oa#hasSource" : [ "http://ns.inria.fr/covid19/arg/569da93a749d23d9ac524830b04385d7b2d1d4eb/5" ] ,
        "http://www.w3.org/ns/oa#hasSelector" : [ "nodeID://b57258893" ] } },

    { "id" : "_:b57258893"
      "properties" : {
        "http://www.w3.org/1999/02/22-rdf-syntax-ns#type" : [ "http://www.w3.org/ns/oa#TextQuoteSelector" ] ,
        "http://www.w3.org/ns/oa#exact" : [ "medications"] } } }