class_docstr: World to handle moving agents to their proper places.
class_docstr_tok: ["World","to","handle","moving","agents","to","their","proper","places","."]
code: def generate_world(opt, agents):
      return MessengerOverworld(opt, agents[0])
  
imports: from parlai.core.worlds import World
  from parlai.chat_service.services.messenger.worlds import OnboardWorld
label_desc: Use image node_id 2 for calling the MessengerOverworld obj's underlying member method code with example usage: obj.generate_world(opt, agents) and returns: MessengerOverworld