code: def opt_dialogue_knowledge_prefix(self):
      return {
          "mrm": "Personal Fact: ",
          "crm": "Previous Topic: ",
          "srm": "Interesting Fact: ",
      }[self.value]
  
imports: from enum import Enum
  from typing import Dict, List
  import projects.bb3.constants
label_desc: Use image node_id 22 for calling the Module obj's underlying member method code with example usage: obj.opt_dialogue_knowledge_prefix() and returns: dict