{
  "parent": "twilightforest:alt/root",
  "criteria": {
    "giant_cobblestone" : { "trigger": "minecraft:inventory_changed", "conditions": { "items": [{ "item": "twilightforest:giant_cobblestone" }]}},
    "giant_log"         : { "trigger": "minecraft:inventory_changed", "conditions": { "items": [{ "item": "twilightforest:giant_log" }]}},
    "giant_leaves"      : { "trigger": "minecraft:inventory_changed", "conditions": { "items": [{ "item": "twilightforest:giant_leaves" }]}},
    "giant_obsidian"    : { "trigger": "minecraft:inventory_changed", "conditions": { "items": [{ "item": "twilightforest:giant_obsidian" }]}}
  },
  "requirements": [
    [ "giant_cobblestone", "giant_log", "giant_leaves", "giant_obsidian" ]
  ]
}