anchor.diff:  % Simulation interval
   -define(INTERVAL, 16). % about 1/60th of a second. (16 ms)
   
  +% Update interval
  +-define(UPDATE_INTERVAL, 50).
  +
   % Full Update interval
   -define(FULL_INTERVAL, 30000). % 30 seconds.
   
  
positive.code: 
      {noreply, State1};
  
  
  handle_info(_, State) ->
      {noreply, State}.
  
negative.code: 
  % 3-tuples
  handle_behavior_result({Reply, Update, #entity{} = NewEntity}, Ctx) ->
  	NewEntity1 = case Update of
  		undefined ->
  			NewEntity;
  		_ ->
  			NewEntity#entity{
  				latest_update = lists:keymerge(1, Update, NewEntity#entity.latest_update)
  			}
  	end,
  	%handle_behavior_update(Update, Ctx),
  	handle_behavior_reply(Reply, NewEntity1, Ctx);
  
  handle_behavior_result({_, _, UnrecognizedEntity}, {OriginalEntity, Func, Args}) ->
  	Behavior = OriginalEntity#entity.behavior,
  