def METHOD_NAME(documents: List[Document], answer):
    # Add corresponding document_name and more meta data, if the answer contains the document_id
    if answer.meta is None:
        answer.meta = {}
    # get meta from doc
    meta_from_doc = {}
    for doc in documents:
        if doc.id == answer.document_id:
            meta_from_doc = deepcopy(doc.meta)
            break
    # append to "own" meta
    answer.meta.update(meta_from_doc)
    return answer