code: def get_rime(s):  # kiểm tra vần hợp lệ
      for pattern in valid_rime_patterns:
          if re.match(r"^" + pattern + r"$", s):
              return remove_tone(s)
      return False
  
file_path: underthesea/examples/text_normalize/process_viwiktionary.py
imports: from os.path import join
  from underthesea.file_utils import DATASETS_FOLDER
  from underthesea.pipeline.word_tokenize.regex_tokenize import VIETNAMESE_CHARACTERS_LOWER, VIETNAMESE_VOWELS_LOWER
  import re
label_desc: Use image node_id 2 for calling a global function with example usage: get_rime(s) and returns: False, remove_tone