private void GetRandomJokes()
        {
            string randomName = null;
            string category   = null;

            if (userInteractions.UserWantsToUseRandomName())
            {
                randomName = DetermineRandomName();
            }

            if (userInteractions.UsersWantsToChooseACategory())
            {
                category = DetermineCategory();
            }

            int numberOfJokes = userInteractions.GetNumberOfJokes();

            HashSet <string> jokes = jokeRepository.GetJokes(category, numberOfJokes);

            DisplayJokes(jokes, randomName, numberOfJokes);
        }