For instance, trong giờ học, teacher đưa ra 3 subjects which are: a ball, an apple and a marble and asks students cái nào có thể ăn được, then kéo gần trái táo về phía học sinh
For instance, during school hours, the teacher brought out three subjects which are: a the ball, an apple and a marble and asks students what can be eaten, then drag near the Apple students
For instance, during the school day, teacher giving mà 3 subjects: a ball, an apple and a marble and asks Students which is edible, then pull the apple close to the students