code: def _create_examples(cls, lines, ans_lines, set_type):
      examples = []
      if ans_lines is None:
          ans_lines = [
              "\t".join([cls.CHOICE_KEYS[-1]] * 4) for line in lines
          ]
      for i, (line, ans) in enumerate(zip(lines, ans_lines)):
          line = line.split("\t")
          ans = ans.split("\t")
          for j in range(4):
              examples.append(
                  Example(
                      guid="%s-%s" % (set_type, i * 4 + j),
                      prompt=line[2].replace("\\newline", " ")
                      + " "
                      + line[3 + j * 5],
                      choice_list=line[4 + j * 5 : 8 + j * 5],
                      label=ans[j],
                  )
              )
      return examples
  
file_path: jiant/jiant/tasks/lib/mctest.py
imports: from dataclasses import dataclass
  from jiant.tasks.lib.templates.shared import labels_to_bimap
  from jiant.tasks.lib.templates import multiple_choice
  from jiant.utils.python.io import read_file_lines
label_desc: Use image node_id 4 for calling the MCTestTask obj's underlying member method code with example usage: obj._create_examples(cls, lines, ans_lines, set_type) and returns: examples