class_docstr: Parser of text from HTML format into DOM.
class_docstr_tok: ["Parser","of","text","from","HTML","format","into","DOM","."]
code: def stigma_words(self):
      words = []
      for paragraph in self._article.main_text:
          for text, annotations in paragraph:
              if self._contains_any(annotations, "a", "strike", "s"):
                  words.extend(self.tokenize_words(text))
  
      if words:
          return tuple(words)
      else:
          return self.STIGMA_WORDS
  
file_path: sumy/sumy/parsers/html.py
imports: from __future__ import absolute_import
  from __future__ import division, print_function, unicode_literals
  from breadability.readable import Article
  from ..utils import cached_property, fetch_url
  from ..models.dom import Sentence, Paragraph, ObjectDocumentModel
  from .parser import DocumentParser
  from string import punctuation
label_desc: Use image node_id 6 for calling the HtmlParser obj's underlying member method code with example usage: obj.stigma_words() and returns: tuple, self