code: def get_examples(self, data_dir, split):
      path = os.path.join(data_dir, "{}.csv".format(split))
      examples = []
      with open(path, encoding="utf8") as f:
          reader = csv.reader(f, delimiter=",")
          for idx, row in enumerate(reader):
              label, headline, body = row
              text_a = headline.replace("\\", " ")
              text_b = body.replace("\\", " ")
              example = InputExample(
                  guid=str(idx),
                  text_a=text_a,
                  text_b=text_b,
                  label=int(label) - 1,
              )
              examples.append(example)
  
      return examples
  
imports: import os
  import json, csv
  from abc import ABC, abstractmethod
  from collections import defaultdict, Counter
  from typing import List, Dict, Callable
  from openprompt.utils.logging import logger
  from openprompt.data_utils.utils import InputExample
  from openprompt.data_utils.data_processor import DataProcessor
label_desc: Use image node_id 2 for calling the MnliProcessor obj's underlying member method code with example usage: obj.get_examples(data_dir, split) and returns: examples