code: def preprocess_ctx(self, ctx, max_length):
      return super().preprocess_ctx(
          ctx,
          max_length,
          ctx_prompt=f"### 指示:\n{self.INSTRUCTION}\n\n### 入力:\n",
          summary_prompt="### 応答:\n",
      )
  
imports: import os
  import inspect
  from lm_eval.utils import rouge2_mecab
  from lm_eval.base import rf, Task
label_desc: Use image node_id 2 for calling the XLSumJaWithJAAlpacaPrompt obj's underlying member method code with example usage: obj.preprocess_ctx(ctx, max_length) and returns: super