code: def run(self):
      return eval_wordstat(self.opt)
  
file_path: ParlAI/parlai/scripts/eval_wordstat.py
imports: from parlai.core.params import ParlaiParser
  from parlai.core.dict import DictionaryAgent
  from parlai.core.agents import create_agent
  from parlai.core.worlds import create_task
  from parlai.utils.misc import TimeLogger
  from parlai.core.metrics import normalize_answer
  from parlai.core.logs import TensorboardLogger
  from collections import Counter
  from parlai.core.script import ParlaiScript, register_script
  from parlai.utils.io import PathManager
  import copy
  import numpy
  import random
label_desc: Use image node_id 2 for calling the EvalWordStat obj's underlying member method code with example usage: obj.run() and returns: eval_wordstat