{
  "condition": "minecraft:alternative",
  "terms": [
    {
      "condition": "minecraft:location_check",
      "predicate": {
        "biome": "minecraft:mushroom_fields"
      }
    },
    {
      "condition": "minecraft:location_check",
      "predicate": {
        "biome": "minecraft:dark_forest"
      }
    }
  ]
}
