private static bool Remove(string[] fields) { if (fields[0] != "remove") { return(false); } if (fields.Length < 2) { return(false); } string name = fields[1] == null ? null : fields[1]; bool success = shoppingList.Remove(name); string status = success ? "removed from" : "not found in"; Console.Out.WriteLine($"Item '{name}' {status} shopping list."); Console.Write(shoppingList.ToString()); return(true); }