anchor.diff:  2019-12-04T08:30Z,"Yorkshire Water",CONFIRMED,14,Calendar
   2019-12-04T09:00Z,"TFN",CONFIRMED,20,Calendar
   2019-12-05T08:30Z,"Yorkshire Water",CONFIRMED,11,Calendar
  +2019-12-05T09:00Z,"NHS DIGITAL ",CONFIRMED,15,Calendar
   2019-12-05T09:00Z,"Yorkshire Water",CONFIRMED,11,Calendar
  -2019-12-05T09:00Z,"NHS DIGITAL ",CONFIRMED,15,Calendar
   2019-12-06T08:30Z,"Yorkshire Water ",CONFIRMED,12,Calendar
   2019-12-09T09:30Z,"DWP ",CONFIRMED,46,Calendar
   2019-12-09T13:00Z,"Yorkshire Water",CONFIRMED,11,Calendar
  
positive.code: 2019-09-09T08:00Z,"NHS Digital Training Academy",CONFIRMED,59,Calendar
  2019-09-10T08:00Z,"NHS Digital Training Academy",CONFIRMED,59,Calendar
  2019-09-10T08:30Z,"Data City",CONFIRMED,4,Calendar
  2019-09-11T08:00Z,"NHS Digital Training Academy",CONFIRMED,59,Calendar
  2019-09-11T08:00Z,"The Coders Guild",CONFIRMED,6,Calendar
  2019-09-11T08:00Z,"BPDTS DWP Digital Group",CONFIRMED,12,Calendar
  2019-09-12,"Places for Growth - Health Innovation in Leeds",CONFIRMED,3,Calendar
  2019-09-12T08:00Z,"NHS Digital Training Academy",CONFIRMED,27,Calendar
  2019-09-13T08:00Z,"Yorkshire Water",CONFIRMED,26,Calendar
  
negative.code: 2019-05-13T08:00Z,"Leeds City Council",CONFIRMED,35,Calendar
  2019-05-14T08:00Z,"NHS Digital",CONFIRMED,15,Calendar
  2019-05-14T10:00Z,"Hubbub",CONFIRMED,20,Calendar
  2019-05-15T08:00Z,"NHS Digital",CONFIRMED,15,Calendar
  2019-05-15T08:00Z,"NIHR",CONFIRMED,5,Calendar
  2019-05-15T12:00Z,"NHS Digital ",CONFIRMED,40,Calendar
  2019-05-16T08:00Z,"JRF",CONFIRMED,30,Calendar
  2019-05-16T09:00Z,"Where There's Smoke",CONFIRMED,50,Calendar
  