With the development of science and technology, human-computer communication has become a reality, the key of which is brain-port technology. The so-called brain-computer interface is the information system that connects the brain and the computer, allowing the brain to communicate directly with the computer. The computer interface can pass information from the brain to the computer, and can also pass information from the computer into the brain. According to the above definitions, Which of the following applications are not part of the brain-computer interface technology:. ["A game player's brain is implanted with a device through which the robot is controlled with thoughts, holding a cup and drinking tea.", 'A game player wears a set of prosthetic equipment, and after many exercises, walks with strong willpower to achieve walking.', "A game player wears a face accessory, and the accessory makes corresponding instructions based on the wearer's mood changes.", 'A swimmer puts on a set of high-tech headphones, concentrates, and avoids obstacles through mental control of the ball.']