code: def __init__(
      self, config, dataset_type, imdb_file_index, *args, **kwargs
  ):
      super().__init__(
          config,
          dataset_type,
          imdb_file_index,
          dataset_name="nlvr2",
          *args,
          **kwargs,
      )
  
file_path: mmf/mmf/datasets/builders/nlvr2/dataset.py
imports: import copy
  import json
  import torch
  from mmf.common.sample import Sample
  from mmf.datasets.builders.vqa2 import VQA2Dataset
label_desc: Use image node_id 1 to create a new NLVR2Dataset object from inherited base classes: VQA2Dataset with example: obj = NLVR2Dataset(config, dataset_type, imdb_file_index)