Present themselves is not enough. Now you need to know each other! ... And to know each other, you have to make conversation.
So, still at the same Tricider, each student, after reading the presentations, will give his vote to prove that the presentation of the companions he liked. Then at the ADD ARGUMENT will do a question to one or more fellows from other schools to know something else. Also in ADD ARGUMENT, everyone will answer questions that have been made.