Complex sentence: The Omega Senior Society or The O.R.D.E.R., the oldest activity-based senior society at Penn, was formed to recognize leadership in the Greek community, and is comprised of important members of many Greek houses at Penn.
Split into simpler sentences: The Omega Senior Society or The O.R.D.E.R., the oldest activity-based senior society at Penn, was formed to recognize leadership in the Greek community. It is comprised of important members of many of the Greek houses at Penn.