code: def text_file_str(self):
      return "{} {}".format(self.utt_id(), self.kanji_sentence())
  
imports: import argparse
  import os
  import re
  import sys
  from collections import namedtuple
  import yaml
label_desc: Use image node_id 5 for calling the JKACLabel obj's underlying member method code with example usage: obj.text_file_str() and returns: str