Suparate clans that both have their own strengths and weaknesses. Ralph has the fire and the huts, yet only Jack has managed to provide food. There is also the fact of Simon and the Lord of the Flies. First of all, Simon is probably not the only one experiencing hallucinations due to the extreme conditions. Secondly, he is the most insightful. He truly is seeing clearly how they are their own worst enemies, and if they do not control it fear will be their enemy. And that fear is their greatest danger.