In Each person posts one discussion,Each student may start one new topic and then others can respond to it. Students are not limited in the number of replies they can post within those topics.
Example: Teacher wants each students to start their own discussion topic and use it to post a topic and discuss on any social issue. Then students will post their topic and leave feedback by replying to others topic.
If students have not started their discussion they will get a button as Add a new discussion topic.
Once the students started their discussion topic button disappears for students.