class_docstr: Filter samples based on a group of phrases
  
  for example, with phrase_name = 'question'::
  
      sample 1: "Who is Jack.", score: 1
      sample 2: "I am Jack.", score: 0
code: def __init__(self, phrase_name="negation"):
      super().__init__()
      self.phrase_name = phrase_name
      if self.phrase_name == "negation":
          self.phrases = NEGATION
      elif self.phrase_name == "question":
          self.phrases = QUESTION
  
      self.phrase_processor = KeywordProcessor(case_sensitive=True)
      self.phrase_processor.add_keywords_from_dict(
          {self.phrase_name: self.phrases}
      )
  
file_path: textflint/textflint/generation/subpopulation/UTCN/phrase.py
imports: from flashtext import KeywordProcessor
  from ..subpopulation import SubPopulation
  from ....common.settings import NEGATION, QUESTION
label_desc: Use image node_id 1 to create a new PhraseSubPopulation object from inherited base classes: SubPopulation with example: obj = PhraseSubPopulation(phrase_name)