Complex sentence: The World Entrepreneurship Forum 5th edition took place in city of Lyon, France on 24--27 October 2012 dedicated to "Entrepreneurial Ecosystems: cultivating communities to drive wealth creation and social justice".
Split into simpler sentences: The World Entrepreneurship Forum 5th edition took place in Lyon, France on 24--27 October 2012. The focus of the 2012 edition was on "Entrepreneurial Ecosystems: cultivating communities to drive wealth creation and social justice".