all you have to do is ask a qustion to the person who posts after you and they have to answer and ask one for the person after them
Exampl:Bob:are you in ravenclaw?
Zoe:Nope ....Are you wrerid?
Bob:Yes in a way .... Are you AWESOMEAGE
Zoe:YES..Are you my friend?
Bob:YES!!...Are you a slythie?
like that ill go first
Are you an admin?