code: def construct_requests(self, doc, ctx):
      return rf.greedy_until(ctx, ["\n"])
  
imports: import inspect
  import lm_eval.datasets.hendrycks_math.hendrycks_math
  from lm_eval.metrics import mean
  from lm_eval.base import Task, rf
label_desc: Use image node_id 12 for calling the Math obj's underlying member method code with example usage: obj.construct_requests(doc, ctx) and returns: rf