There are some desks in the classroom. There is a blackboard on the wall. There is a clock on the wall, too. There is a table near the blackboard. There are no words on the blackboard. There are many chairs. There are two windows and a front door. The classroom is empty. All students are in the yard.
Nam is riding home from school. The street is very busy. There are a lot of bicycles, motorbikes, cars, buses, etc in the street. He is coming to an intersection. The traffic lights are red, so he must stop. There is a motorbike in front of Nam. It does not stop. A car is coming from the right. It is going straight at the motorbike. The accident happens.