class_docstr: Dataset class for mt_bench dataset.
  Data source: https://github.com/lm-sys/FastChat/blob/main/fastchat/llm_judge/data/mt_bench/question.jsonl
  This dataset class will convert the original dataset into the inference dataset.
code: def __init__(self, path, logger, few_shot):
      self.multiturn = True
      self.dataset = self.load(path, logger, few_shot)
  
file_path: ColossalAI/applications/ColossalEval/colossal_eval/dataset/mtbench.py
imports: import copy
  import json
  import os
  from collections import defaultdict
  from typing import Dict, List
  from colossal_eval.utils import get_json_list
  from colossalai.logging import DistributedLogger
  from .base import BaseDataset
label_desc: Use image node_id 1 to create a new MTBenchDataset object from inherited base classes: BaseDataset with example: obj = MTBenchDataset(path, logger, few_shot)