code: def _process_doc(self, doc):
      choices = doc["answer_options"]["answer_str"]
      out_doc = {
          "source": doc["document_str"].strip().replace("'", "'"),
          "query": doc["question_str"],
          "choices": choices,
          "gold": int(doc["correct_answer_id"]) - 1,
      }
      return out_doc
  
file_path: lm-evaluation-harness/lm_eval/tasks/qa4mre.py
imports: from lm_eval.base import MultipleChoiceTask
label_desc: Use image node_id 5 for calling the QA4MRE obj's underlying member method code with example usage: obj._process_doc(doc) and returns: out_doc