Complex sentence: A group of several men from St. Louis went to St. Brendan's and put on the first "not at St. Louis" Men's Emmaus weekend, held at the youth center next to Mercy Hospital in Coconut Grove.
Split into simpler sentences: A group of guys from St. Louis went to St. Brendan's and put on the first "not at St. Louis" Mens Emmaus weekend. It was held at the youth center next to Mercy Hospital in Coconut Grove.