code: def post_process_context(token_ids, reader, merge=True):
      """Post-process the context sequence."""
      context = []
      utt = []
      for tok_id in token_ids[1:]:
          if tok_id == reader.eos_id:
              utt = reader.tokenizer.convert_ids_to_tokens(utt)
              if merge:
                  utt = reader.tokenizer.merge_subword(utt)
              context.append(utt)
              utt = []
          else:
              utt.append(tok_id)
      return context
  
imports: from collections import namedtuple
  import paddle
  import paddle.nn
  import paddle.nn.functional
label_desc: Use image node_id 1 for calling a global function with example usage: post_process_context(token_ids, reader, merge) and returns: context