code: def __init__(
      self, config, dataset_type, imdb_file_index, *args, **kwargs
  ):
      super().__init__(
          config,
          dataset_type,
          imdb_file_index,
          dataset_name="masked_mmimdb",
          *args,
          **kwargs,
      )
      self._add_answer = config.get("add_answer", True)
  
imports: import random
  from mmf.common.sample import Sample
  from mmf.datasets.builders.vqa2.dataset import VQA2Dataset
label_desc: Use image node_id 1 to create a new MaskedMMImdbDataset object from inherited base classes: VQA2Dataset with example: obj = MaskedMMImdbDataset(config, dataset_type, imdb_file_index)