code: def getClassifications(networkDataFile):
      
      try:
        with open(networkDataFile) as f:
          reader = csv.reader(f)
          next(reader, None)
          next(reader, None)
          specials = next(reader)
          resetIdx = specials.index("R")
          classIdx = specials.index("C")
  
          classifications = []
          for line in reader:
            if int(line[resetIdx]) == 1:
              classifications.append(line[classIdx])
          return classifications
  
      except IOError as e:
        print "Could not open the file {}.".format(networkDataFile)
        raise e
docs: Returns the classifications at the indices where the data sequences
      reset.
      @param networkDataFile  (str)     Path to file in the FileRecordStream
                                        format
      @return                 (list)    list of string versions of the
                                        classifications
      Sample output: ["0 1", "1", "1 2 3"]