|> Stream.filter(fn
      {:line, "        " <> _} -> false
      _ -> true
    end)

    stream |> Stream.transform(

    stream
    |> Stream.transform(

          splitted =
            line
            |> String.split(".")

        splitted = line
        |> String.split(".")

          case splitted do
            [p] ->
              {[], [p | acc]}

        case splitted do
          [p] -> {[], [p|acc]}
          _ ->
            last = List.last(splitted)
            first_sentence = [List.first(splitted) | acc]
            |> Enum.reverse
            |> Enum.join(" ")

            _ ->
              last = List.last(splitted)

            other_sentences = splitted
            |> Enum.drop(1)
            |> Enum.drop(-1)
            |> Enum.map(fn s -> {:sentence, s} end)

              first_sentence =
                [List.first(splitted) | acc]
                |> Enum.reverse()
                |> Enum.join(" ")

            new_acc = if last == "" do
              []
            else
              [last]
            end
            {[{:sentence, first_sentence}] ++ other_sentences, new_acc}
        end
        a, acc -> {[a], acc}

              other_sentences =
                splitted
                |> Enum.drop(1)
                |> Enum.drop(-1)
                |> Enum.map(fn s -> {:sentence, s} end)
              new_acc =
                if last == "" do
                  []
                else
                  [last]
                end
              {[{:sentence, first_sentence}] ++ other_sentences, new_acc}
          end
        a, acc ->
          {[a], acc}