Omar is walking through the shopping mall with three of his buddies, when all of the sudden they come across a curious scene. four girls are verbally abusing a fifth girl, and it is clear that a physical altercation is about to occur. omar stands quietly watching the scene, until two of his friends step in to try to break up the fracas. when they intervene, omar steps in as well, providing greater assurance that a fight is not going to take place. in this case, omar’s group of friends served as a group for omar’s behavi