def get_evidence_docs(doc_json: dict):
    """Gets the document ids for the documents where the evidence is

    Args:
        doc_json (dict): A data dict from the FEVEROUS dataset

    Returns:
        List[str]: A list of the document ids
    """

    doc_names = []
    for evidence_content in doc_json["evidence"][0]["content"]:
        doc_name = evidence_content.split("_")[0]
        if doc_name not in doc_names:
            doc_names.append(doc_name)
    return doc_names