class_docstr: Agent returns the Alice AIML bot's reply to an observation.
  
  This is a strong rule-based baseline.
docstr: Generate response to last seen observation.
  
  Replies with a message from using the Alice bot.
  
  :returns: message dict with reply
docstr_tok: ["Generate","response","to","last","seen","observation",".","Replies","with","a","message","from","using","the","Alice","bot",".",":","returns",":","message","dict","with","reply"]
code: def act(self):
      """
      Generate response to last seen observation.
  
      Replies with a message from using the Alice bot.
  
      :returns: message dict with reply
      """
  
      obs = self.observation
      if obs is None:
          return {"text": "Nothing to reply to yet."}
  
      reply = {}
      reply["id"] = self.getID()
      query = obs.get("text", "I don't know")
      reply["text"] = self.kern.respond(query)
  
      return reply
  
file_path: ParlAI/parlai/agents/alice/alice.py
imports: import os
  from parlai.core.agents import Agent
label_desc: Use image node_id 4 for calling the AliceAgent obj's underlying member method code with example usage: obj.act() and returns: reply, dict