code: def _load_words(url):
      path = download.cached_download(url)
      words = []
      with open(path) as words_file:
          for line in words_file:
              if line:
                  words += line.strip().split()
                  words.append("<eos>")
      return words
  
file_path: chainer/chainer/datasets/ptb.py
imports: import os
  import numpy
  from chainer.dataset import download
label_desc: Use image node_id 5 for calling a global function with example usage: _load_words(url) and returns: words