[
  {
    "original_package":  "dummy package 71"     ,
    "libre_replacement": ""                     ,
    "short_description": "dummy description 71" ,
    "blacklist_tags":    [ "Category A" ]
  } ,
  {
    "original_package":  "dummy package 72"           ,
    "libre_replacement": "dummy replacement"          ,
    "short_description": "dummy description 72"       ,
    "blacklist_tags":    [ "Category A" , "nonfree" ]
  }
]