{
  "input" : [
    { "item" : "fullwood1", "count" : 5 },
    { "item" : "torch", "count" : 1 }
  ],
  "output" : {
    "item" : "campfire",
    "count" : 1
  },
  "groups" : [ "plain", "objects", "all", "tools" ]
}