Fecha de publicación: -- Fuente: WIPO "tomato" A system includes a processor that is configured to cause a terminal to provide a group chat of a messenger application in which a user inputs leftover food information and shares the leftover food information with participating members, receive preference information and dietary restriction information of the participating members and store the preference information and the dietary restriction information in a database, generate a prompt for instructing a generative artificial intelligence model to propose a menu and cooking procedures based on the leftover food information and the preference information and dietary restriction information, evaluate an emotion of the user by using an emotion analysis engine and optimize the proposed menu and cooking procedures based on a result of the evaluation, and identify one or more missing ingredients, place an order via an online ordering system, and cause the missing ingredients to be provided to the user through a delivery service.