code: def _create_examples(cls, lines, set_type):
      examples = []
      for i, line in enumerate(lines):
          examples.append(
              Example(
                  guid="%s-%s" % (set_type, i),
                  prompt=line["article"],
                  choice_list=[d for d in line["options"]],
                  label=line["answers"],
              )
          )
      return examples
  
file_path: jiant/jiant/tasks/lib/mutual_plus.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_json_lines
label_desc: Use image node_id 4 for calling the MutualPlusTask obj's underlying member method code with example usage: obj._create_examples(cls, lines, set_type) and returns: examples