code: def doc_to_decontamination_query(self, doc):
      return doc["question"] + " " + doc["sentence"]
  
imports: import numpy
  from collections import defaultdict
  from lm_eval.base import rf, Task
label_desc: Use image node_id 8 for calling the MCTACO obj's underlying member method code with example usage: obj.doc_to_decontamination_query(doc) and returns: unknown