code: def construct_requests(self, doc, ctx):
      return rf.greedy_until(
          ctx, [self.tokenizer.eos_token, self.SEP], self.max_gen_toks
      )
  
imports: import os
  from lm_eval.base import rf
  from lm_eval.tasks.gsm8k import GradeSchoolMath8K, INVALID_ANS
  import re
  import inspect
label_desc: Use image node_id 4 for calling the MGSM obj's underlying member method code with example usage: obj.construct_requests(doc, ctx) and returns: rf