{
  "input" : [
    { "item" : "copperbar", "count" : 5 },
    { "item  : "flashlight", "count" : 1 },
    { "item" : "money", "count" : 50 }
  ],
  "output" : { "item" : "mininghead", "count" : 1 },
  "groups" : [ "anvil", "armors", "all" ]
}