code: def load_data_and_labels(filename, encoding="utf-8"):
      """Loads data and label from a file.
  
      Args:
          filename (str): path to the file.
          encoding (str): file encoding format.
  
          The file format is tab-separated values.
          A blank line is required at the end of a sentence.
  
          For example:
          ```
          EU	B-ORG
          rejects	O
          German	B-MISC
          call	O
          to	O
          boycott	O
          British	B-MISC
          lamb	O
          .	O
  
          Peter	B-PER
          Blackburn	I-PER
          ...
          ```
  
      Returns:
          tuple(numpy array, numpy array): data and labels.
  
      Example:
          >>> filename = 'conll2003/en/ner/train.txt'
          >>> data, labels = load_data_and_labels(filename)
      """
      sents, labels = [], []
      words, tags = [], []
      with open(filename, encoding=encoding) as f:
          for line in f:
              line = line.rstrip()
              if line:
                  word, tag = line.split("\t")
                  words.append(word)
                  tags.append(tag)
              else:
                  sents.append(words)
                  labels.append(tags)
                  words, tags = [], []
  
      return sents, labels
  
imports: from ....imports import *
label_desc: Use image node_id 2 for calling a global function with example usage: load_data_and_labels(filename, encoding) and returns: sents,  labels