private int SearchRequest(int currentState, object o)
        {
            bool gestureFound = false;

            for (int i = 0; i < 18; ++i)
            {
                Thread.Sleep(500);
                if (gestureFound = brain.FindSpecificGesture("request", out requestId))
                {
                    cmdMan.MVN_PLN_fixhuman(requestId, 4000);
                    TextBoxStreamWriter.DefaultLog.WriteLine("HAL9000.-> Gesture found.");
                    brain.SayAsync("I found a request.");
                    break;
                }
            }
            if (!gestureFound)
            {
                if (attemptCounter > 7)
                {
                    attemptCounter = 0;
                    finalState     = FinalStates.RequestNotFound;
                    return((int)States.FinalState);
                }
                cmdMan.MVN_PLN_move(0, -Math.PI / 4, 4000);
                if (attemptCounter % 2 == 1)
                {
                    brain.SayAsync("I am looking for requests, please raise your hand above your head.");
                }
                attemptCounter++;
                return(currentState);
            }
            // Si encontro humano, pasa al siguiente estado
            attemptCounter = 0;
            return((int)States.GoToRequest);
        }