text: #!/usr/bin/python3
  
  """
  helper file for POSTagger
  """
  
  __author__ = "Sunil"
  __copyright__ = "Copyright (c) 2017 Sunil"
  __license__ = "MIT License"
  __email__ = "suba5417@colorado.edu"
  __version__ = "0.1"
  
  import POSTagger as pt
  
  def main():
      file = pt.POSFile('berp-POS-train.txt')
      ct = []
      for line in file.Lines:
          sentence = line.Sentence
          if [sentence] not in ct:
              ct.append([sentence])
      print(len(ct))
  
  if __name__ == "__main__":
      main()