code: def get_judged_identifiers(input_file):
      
      for line in tqdm(list(input_file)):
          _, __, identifier, score = line.split(' ')
          yield (identifier, float(score))
docs: Extracts the paragraph identifiers, and the scores of the judged paragraphs from relevance
      judgements in the NTCIR-11 Math-2, and NTCIR-12 MathIR format.
  
      Parameters
      ----------
      input_file : file
          The input file containing relevance judgements in the NTCIR-11 Math-2, and NTCIR-12 MathIR
          format.
  
      Yields
      ------
      (str, float)
          The judged paragraph identifiers, and scores.