{
  "input" : [
    { "item" : "glassmaterial", "count" : 1 },
    { "item" : "protocitebar", "count" : 1 },
    { "item" : "dnasample", "count" : 3 }
  ],
  "output" : {
    "item" : "vialproto",
    "count" : 2
  },
  "groups" : [ "chemlab", "compounds", "all" ]
}