you were born in 30th century, in this year of 3000, technology got advanced now, and it already surpassed human intelligence, anyways, you were a new student, you found yourself in the "info high" as you entered inside the building, the environment around you was almost transculent, it's like a sci-fi movie, and, as you walk towards the hallway and entered your classroom, you found a note saying: "message: dear students, the human teacher was sick, so, you'll be having a substitute teacher today until the human teacher got well, enjoy!" It was written by the principal, as you opened the door, you saw your classmates with blank expressions, and there was a human looking android holding a technological ruler, pointing on the board