sclass AI_WhatIsBot > AttractorBot {
  IDefinitions definitionsModule;
  
  public void run {
    say("I can learn and tell you what things are");
  }
  
  // CONFIG
  
  class WhatIsAttractor > Attractor {
    S term;
    
    public bool matches(S s) {
      new Matches m;
      if "what is ..."
        ret true with term = $1;
      false;
    }
    
    public void run {
      if (definitionsModule != null) {
        Collection<S> defs = definitionsModule.getDefinitions(term);
        if (nempty(defs)) {
          say(term + " is " + random(defs));
          // TODO: attractors
          ret;
        }
      }
      say("I don't know. What is " + quote(term) + "?");
      lowPrioAttractor(new DefinitionAttractor(term));
    }
  }
  
  record DefinitionAttractor(S term) extends Attractor {
    S value;
    
    public bool matches(S s) {
      new Matches m;
      if "it's ...|it is...|he is...|she is..."
        ret true with value = $1;
      false;
    }
    
    public void run {
      say("OK. " + term + " is " + value + ".");
      if (definitionsModule != null)
        definitionsModule.addDefinition(term, value);
    }
  }
  
  *() {
    standardAttractors(new WhatIsAttractor);
  }
}

Began life as a copy of #1022843