{
  "type": "minecraft:block",
  "pools": [
    {
      "bonus_rolls": 0,
      "conditions": [
        {
                      "condition": "minecraft:match_tool",
                      "predicate": {
                        "predicates": {
                          "custom_data": {
                            "IsShears": true
                          }
                        }
                      }
                    }
      ],
      "entries": [
        {
          "type": "minecraft:item",
          "name": "minecraft:vine"
        }
      ],
      "rolls": 1
    },
    {
      "rolls": 1,
      "entries": [
        {
          "type": "minecraft:item",
          "name": "minecraft:vine"
        }
      ],
      "conditions": [
        {
          "condition": "minecraft:random_chance",
          "chance": 0.5
        },
        {
          "condition": "minecraft:inverted",
          "term": {
                      "condition": "minecraft:match_tool",
                      "predicate": {
                        "predicates": {
                          "custom_data": {
                            "IsShears": true
                          }
                        }
                      }
                    }
        }
      ]
    }
  ],
  "random_sequence": "minecraft:blocks/vine"
}