code: def load_corpus(file):
      global words
      content = open(file).read().strip()
      sentences = content.split("\n\n")
      for s in sentences:
          nodes = s.split("\n")
          for node in nodes:
              items = node.split("\t")
              word = items[2]
              tag = items[3]
              if word not in words:
                  words[word] = set()
              words[word].add(tag)
  
imports: from os.path import join, dirname, basename
  from termcolor import colored
  from underthesea.file_utils import CACHE_ROOT
  import joblib
label_desc: Use image node_id 3 for calling a global function with example usage: load_corpus(file) without return types