class_docstr: Abstract parser class from which all parsers inherit from. All
  descendants must implement a ``parse()`` method.
docstr: Parses the text.
docstr_tok: ["Parses","the","text","."]
code: def parse(self, text):
      """Parses the text."""
      return
  
imports: from __future__ import absolute_import
  from abc import ABCMeta, abstractmethod
  import nltk
  from textblob.compat import with_metaclass
label_desc: Use image node_id 1 for calling the BaseParser obj's underlying member method code with example usage: obj.parse(text) without return types