{
  "pools": [
    {
      "rolls": 1,
      "entries": [
        {
          "type": "minecraft:item",
          "name": "minecraft:stone_pickaxe"
        }
      ]
    },
    {
      "rolls": 1,
      "entries": [
        {
          "type": "minecraft:item",
          "name": "minecraft:stone_axe"
        }
      ]
    },
    {
      "rolls": 1,
      "entries": [
        {
          "type": "minecraft:item",
          "name": "minecraft:stone_shovel",
          "conditions": [
            {
              "condition": "minecraft:random_chance",
              "chance": 0.5
            }
          ]
        }
      ]
    }
  ]
}