A system includes a server and an image processing apparatus, and the server is provided that includes a communication interface, a storage, and a processor. The communication interface is configured to communicate with the image processing apparatus. The storage is configured to store data. The processor may provide a result of processing a first event that includes a speech of a user to the image processing apparatus in response to the first event being received from the image processing apparatus, store a record of the first event in the storage according to processing of the first event, determine a relation between the first and second events that includes a user input by a non-speech method in response to the second event being received from the image processing apparatus, and process the second event based on the record of the first event stored in the storage in response to the relation.