(1) The avatar's bodily space, the potential actions of the avatar in the game world, is the only way in which the reality of the external reality of the game world can be perceived. (5) The entire perceptual system has been extended into the game world. But English language professor Jung Chae-kwan says it is a misnomer to call the English test tough. Only four of the 12 Suneung chiefs since the exam debuted in 1993 have served out their full three-year terms. While most stepped down because of errors in test questions, Mr Oh is the first to resign over a test's difficulty.