class_docstr: Translation with muli-lingual vocabulary.
class_docstr_tok: ["Translation","with","muli-lingual","vocabulary","."]
code: def inputs_prefix(self):
      return "translate English German "
  
imports: from __future__ import absolute_import
  from __future__ import division
  from __future__ import print_function
  from tensor2tensor.data_generators import problem
  from tensor2tensor.data_generators import text_problems
  from tensor2tensor.data_generators import translate
  from tensor2tensor.data_generators import wiki_lm
  from tensor2tensor.utils import registry
label_desc: Use image node_id 3 for calling the TranslateEndeWmtMulti64kPacked1k obj's underlying member method code with example usage: obj.inputs_prefix() and returns: str