text: import sys
  
  sys.path.append('../')
  
  import argparse
  from datasets.quora import QuoraQuestionsPairDataset
  from datasets.snli import SNLIDataset
  from datasets.ppdb import PPDBDataset
  import vars
  
  parser = argparse.ArgumentParser(description='This script is responsible for downloading '
                                               'and preparing the needed datasets')
  
  parser.add_argument('--datasets',
                      default='quora,mscoco,ppdb,snli',
                      type=str,
                      help='dataset1,dataset2,dataset3')
  
  args = parser.parse_args()
  datasets = args.datasets
  
  chosen = str(datasets).split(',')
  
  for choice in chosen:
      if choice == 'quora':
          q = QuoraQuestionsPairDataset(download_link=vars.QUORA_QUESTIONS_PAIRS_DOWNLOAD_LINK)
      elif choice == 'snli':
          snli = SNLIDataset(download_link=vars.SNLI_DOWNLOAD_LINK)
      elif choice == 'ppdb':
          print('sdsd')
          ppdb = PPDBDataset(download_link=vars.PPDB_DOWNLOAD_LINK)
  
  print('Success!')
  