public void PerformActivity()
        {
            Console.WriteLine("Please select the pet you wish to update");

            for (int i = 0; i < PetShelters.DefaultShelter.AllPets.Count; i++)
            {
                Console.WriteLine("Enter [" + i + "] for pet " + PetShelters.DefaultShelter.AllPets[i].Name);
            }


            String petNumberInput = Console.ReadLine();
            int    petNumber      = -1;
            int    petActivity    = -1;
            bool   isValid        = int.TryParse(petNumberInput, out petNumber) && petNumber >= 0 && petNumber < PetShelters.DefaultShelter.AllPets.Count;


            if (!isValid)
            {
                Console.WriteLine("You entered an invalid value: " + petNumberInput);
            }

            else
            {
                Pet myPet = this.AllPets[petNumber];
                Console.WriteLine("Based on the pet selected you can perform the following activities....");
                //MethodInfo[] methodInfos = typeof(PetOrganic).GetMethods();

                MethodInfo[] methodInfos = myPet.GetType().GetMethods();
                for (int i = 0; i < methodInfos.Length; i++)
                {
                    Console.WriteLine("Enter: [" + i + "] for activity: " + methodInfos[i].Name);
                }

                //foreach (MethodInfo methodInfo in methodInfos)
                //    Console.WriteLine("Activity: " + methodInfo);

                Console.WriteLine("Please enter your selection");
                petNumberInput = Console.ReadLine();
                petActivity    = int.Parse(petNumberInput);

                methodInfos[petActivity].Invoke(myPet, new object[] { });
            }
        }