code: def is_pronoun(in_str: str) -> bool:
      if not StringUtils.pronouns:
          StringUtils.pronouns = load_json_file(PRONOUN_FILE)
  
      tokens = in_str.split()
      if len(tokens) == 1:
          if tokens[0] in StringUtils.pronouns:
              return True
      return False
  
file_path: nlp-architect/nlp_architect/utils/string_utils.py
imports: import os
  import re
  import string
  from typing import List
  from nlp_architect.utils.io import load_json_file
  from nlp_architect.utils.text import SpacyInstance
label_desc: Use image node_id 4 for calling the StringUtils obj's underlying member method code with example usage: obj.is_pronoun(in_str) and returns: False, True