Draw flowchart for this scenario: 1. The first thing is robot greet and ask student how are there today.

2. Then robot welcomes them as Omani students, and then tells them how the system of explaining the lesson will be.

3.Then, before the explanation robot begins, the four teachers begin to present the lesson, as Omar ,Yumi, Gyeong and Fernando. and each teacher introducing himself, his name, his age.

4.Then, Omar started introduce outline of topic 5. Then Omar begins to ask students if they know about the topic: Distributed database, and from the answers of the students he responds to them and encourages those who have knowledge and motivates those who said we do not know and such things.

6.Whoever finishes presenting characteristics of topic, asks them if they understood what he explained or not, or if they need to re-explain the characteristics once again

7. In the case of the students answering yes and everything is understood, here the character Yumi begins by explaining the following part.

8. Then Yumi begins to explain the Types part, introduces them to the different types, and asks them if they understood what he explained or not, or if they need to re-explain the characteristics once again

9.In the case of the students answering yes and everything is understood, here the character Fernando begins by explaining the following part.

10. After Fernando finish, asks students if they understood what he explained or not, or if they need to re-explain the characteristics once again

11. In the case of the students answering yes and everything is understood, here the character Gyeong begins by explaining the following part.

12. After Gyeong finish, asks students if they understood what he explained or not, or if they need to re-explain the characteristics once again

13. if yes, Then the questions and answers section begins. Here, the students ask the robot about general questions for the lesson and about the robot itself, if they want to know something.

14. And whoever finishes the questions and answers paragraph, asks them if they enjoyed the lesson and the explanation, and asks them about their opinions, and then concludes and says sweet words to them, greeting them.