{
  "constructed_not_model_probabilities": true,
  "two_steps_then_stop": true,
  "tree": {
    "first": {
      "A": "0.6",
      "B": "0.4"
    },
    "after_A": {
      "X": "0.5",
      "Y": "0.5"
    },
    "after_B": {
      "X": "0.9",
      "Y": "0.1"
    }
  },
  "joint_probabilities": {
    "AX": "0.30",
    "AY": "0.30",
    "BX": "0.36",
    "BY": "0.04"
  }
}