code: def read_parse_blankline_block(stream, parser):
      block = read_blankline_block(stream)
      if block:
          return [parser.render(block[0])]
      return block
  
imports: from collections import namedtuple
  from functools import partial, wraps
  from nltk.corpus.reader.api import CategorizedCorpusReader
  from nltk.corpus.reader.plaintext import PlaintextCorpusReader
  from nltk.corpus.reader.util import concat, read_blankline_block
  from nltk.tokenize import blankline_tokenize, sent_tokenize, word_tokenize
label_desc: Use image node_id 2 for calling a global function with example usage: read_parse_blankline_block(stream, parser) and returns: block, list