docstr: Extract the sentences or the relevant information in the sentences from a document
docstr_tok: ["Extract","the","sentences","or","the","relevant","information","in","the","sentences","from","a","document"]
code: def extract_sentences(self, doc):
      """
      Extract the sentences or the relevant information in the sentences from a document
      """
  
file_path: stanza/stanza/models/classifiers/base_classifier.py
imports: from abc import ABC, abstractmethod
  import logging
  import torch
  import torch.nn
  from stanza.models.common.utils import split_into_batches, sort_with_indices, unsort
label_desc: Use image node_id 1 for calling the BaseClassifier obj's underlying member method code with example usage: obj.extract_sentences(doc) without return types