Information transfer refers to the entire process of obtaining information from the source of the information, through a certain material carrier, in a certain way, through a certain channel, and finally for the information receiver. According to the above definitions, what are not the following information transfers? ['The writer recorded the beautiful scenes in the dream through language.', 'The beautiful singing voice of the 1930s has passed through the record so far.', 'When the ancient war was urgent, people passed important military information through the beacon.', 'Deaf people communicate with others through gestures.']