{
  "deadline": 20,
  "tasks": [
    {
      "id": "A",
      "name": "Design basis released",
      "optimistic": 2,
      "likely": 4,
      "pessimistic": 6,
      "predecessors": []
    },
    {
      "id": "B",
      "name": "Equipment supply ready",
      "optimistic": 3,
      "likely": 4,
      "pessimistic": 5,
      "predecessors": [
        "A"
      ]
    },
    {
      "id": "C",
      "name": "Receiving works ready",
      "optimistic": 4,
      "likely": 6,
      "pessimistic": 8,
      "predecessors": [
        "A"
      ]
    },
    {
      "id": "D",
      "name": "Assembly completed",
      "optimistic": 3,
      "likely": 4,
      "pessimistic": 5,
      "predecessors": [
        "B",
        "C"
      ]
    },
    {
      "id": "E",
      "name": "Integrated tests completed",
      "optimistic": 1,
      "likely": 2,
      "pessimistic": 3,
      "predecessors": [
        "D"
      ]
    },
    {
      "id": "F",
      "name": "Acceptance decision recorded",
      "optimistic": 1,
      "likely": 1,
      "pessimistic": 1,
      "predecessors": [
        "E"
      ]
    }
  ]
}