code: def partial_target(cls, doc):
      # The target is everything after the document specified pronoun.
      pronoun_loc = doc["sentence"].index("_") + 1
      return " " + doc["sentence"][pronoun_loc:].strip()
  
imports: import numpy
  from lm_eval.base import rf, Task
  from lm_eval.metrics import mean
label_desc: Use image node_id 11 for calling the Winogrande obj's underlying member method code with example usage: obj.partial_target(cls, doc) and returns: unknown