{
  "text": "Worker A invokes Worker B [S1]. Worker B invokes Worker A [S1]. Every request allows 99 retries [S2].",
  "evidence": {
    "S1": "Worker A invokes Worker B.",
    "S2": "Every request allows 2 retries."
  },
  "expected_sources": [
    "S1",
    "S2"
  ],
  "facts": [
    [
      "Worker A",
      "invokes"
    ],
    [
      "2",
      "retries"
    ]
  ]
}