As a \<person shopping for groceries>, I want to \<have the app installed on my device> so that \<I can continue to utilize my shopping list when no internet connection is available>.
As a \<person shopping for groceries>, I want to \<have my shopping list stored locally on my device> so that \<I can continue to utilize my shopping list when no internet connection is available>.
As a \<person shopping for groceries>, I want to \<sync my shopping list with the cloud> so that \<I can manage and utilize my shopping list on multiple devices>.