class_docstr: Passthrough world to spawn task worlds of only one type.
  
  Demos of more advanced overworld functionality exist in the overworld demo
code: def __init__(self, opt, agent):
      self.agent = agent
      self.opt = opt
      self.episodeDone = False
  
file_path: ParlAI/parlai/chat_service/services/messenger/worlds.py
imports: from parlai.core.worlds import World
label_desc: Use image node_id 1 to create a new SimpleMessengerOverworld object from inherited base classes: World with example: obj = SimpleMessengerOverworld(opt, agent)