Abstract: A control method includes obtaining an information item on operation of a first device from the first device, determining a priority level for the obtained information item according to the content or attribute of the obtained information item, storing the obtained information item in a memory unit in association with the determined priority level, and preferentially transmitting an information item associated with a higher priority level among information items stored in the memory unit to a second device to cause the second device to output the information item associated with the higher priority level by sound, the information items having been obtained in the obtaining.

Abstract: A presentation system includes a server, a presentation device, and an information terminal. The server includes: a first communicator that communicates with the presentation device; a first controller that sends, to the presentation device, a notification that has been associated in advance with a condition satisfied by an operation state obtained from the appliance; and a storage that stores a history of the sent notification. The presentation device presents the notification. The information terminal includes: a display; an acceptor that accepts an operation; a second communicator that communicates with the server; and a second controller that creates a user interface (UI) for accepting the operation, and causes the display to display the UI. The second controller obtains the history from the server via the second communicator. The UI includes the obtained history and accepts turning off the notification included in the history.