code: def get_full_reason_text(self, example_dict):
      return (R_TOKEN, example_dict[R], {})
  
imports: import unittest
  from parlai.core.params import ParlaiParser
  import parlai.utils.testing
  from parlai.tasks.reasoning.base import AbstractQuestionAnswer, AbstractReason, AbstractReasoningTeacher
  from dataclasses import dataclass
label_desc: Use image node_id 1 for calling the DummyReason obj's underlying member method code with example usage: obj.get_full_reason_text(example_dict) and returns: R_TOKEN,  example_dict,  dict