demodata.json

{
		"nodes": [
         {"name": "Letter 1","date":"2012-03-27","id":1,"from":"R","type":"fixed"},
         {"name": "Letter 2","date":"2012-03-30","id":2,"from":"F","type":"fixed"},
         {"name": "Letter 3","date":"2012-03-29","id":3,"from":"R","type":"hasAnswer"},
         {"name": "Letter 4","date":"2012-03-30","id":4,"from":"R","type":"fixed"},
         {"name": "Letter 5","date":"2012-03-30","id":5,"from":"R","type":"fixed"},
         {"name": "Letter 6","date":"2012-04-01","id":6,"from":"F","type":"fixed"},
         {"name": "Letter 7","date":"2012-04-02","id":7,"from":"F","type":"both"},
         {"name": "Letter 8","date":"2012-03-30","id":8,"from":"R","type":"free"},
         {"name": "Letter 9","date":"2012-04-01","id":9,"from":"R","type":"isAnswer"},
         {"name": "Letter 10","date":"2012-03-30","id":10,"from":"R","type":"free"},
         {"name": "Letter 11","date":"2012-04-02","id":11,"from":"R","type":"free"}
      ],
      
      "links": [
         {"source":1, "target":3, "type": "answeredby"},
         {"source":0, "target":6, "type": "answeredby"},
         {"source":6, "target":4, "type": "answeredby"},
         {"source":2, "target":5, "type": "answered§by"},
         {"source":5, "target":8, "type": "answeredby"}
      ]
			
}