code: def doc_to_decontamination_query(self, doc):
      return (
          doc["story"] + " " + "\n".join(doc["questions"]["input_text"])
      )
  
imports: import inspect
  import transformers.data.metrics.squad_metrics
  import lm_eval.datasets.coqa.coqa
  from lm_eval.base import Task, rf, mean
  from itertools import zip_longest
label_desc: Use image node_id 9 for calling the CoQA obj's underlying member method code with example usage: obj.doc_to_decontamination_query(doc) and returns: unknown