public static string GetGasolineType() { string[] supportedGasolineTypes = m_Garage.GetSupportedGasolineTypes(); showSubMenu(supportedGasolineTypes, "Please choose a Gasoline Type from the following options:"); int userChoice = Utils.GetUserMenuChoice(supportedGasolineTypes.Length, 1); return(supportedGasolineTypes[userChoice - 1]); }