code: @Override
      public boolean simpleEvaluation(Agent agent) {
          boolean isOn = agent.getAgentsAppState().getHouseAppState().getHouse("House1").isLightOn(roomId);
          return (lightState.equals("ON") && !isOn)
                  || (lightState.equals("OFF") && isOn);
      }
docs: Return true if the agent has the posture indicated in the atribut of the
  class, in another case it returns false;
  
  @param agent
  @return