{
  "documents": [
    {
      "document_id": "intro-essay",
      "gold_claims": [
        "Evolution is a change in the gene pool of a population over time.",
        "Populations evolve, but individual organisms do not evolve during their lifetimes."
      ]
    },
    {
      "document_id": "drift-essay",
      "gold_claims": [
        "Random genetic drift is a fundamental and important part of evolution.",
        "Neutral and slightly deleterious alleles can be fixed in a population by random genetic drift."
      ]
    }
  ]
}