Project???

Ok so I'm not sure if I'm just an idiot or does someone else not understand the project either? It sounds simple enough but after actually thinking about it I've come across a few questions. First, we have to classify people into Romans, Essenes, etc. But the thing is we all have different ideas on who fit into what groups. So are we going to just go ahead and question people and then have a discussion or what? I'm so confused so someone please enlighten me on the project...Please!!!