text: from .classification_dataset import ClassificationDataset
  
  class MovieReviewSentiment(ClassificationDataset):
      """
      Loads samples from the Movie Review Dataset. The "MR" dataset is comprised 
      of sentence-level sentiment classification on positive and negative movie 
      reviews (Pang and Lee, 2005).
      
      Labels
          0: Negative
          1: Positive
  
      Args:
          n (int): The number of examples to load
          offset (int): line to start reading from
      
      """
      DATA_PATH = 'datasets/classification/mr.txt'
      def __init__(self, offset=0):
          """ Loads a full dataset from disk. """
          self._load_classification_text_file(MovieReviewSentiment.DATA_PATH, offset=offset)
  