Complex sentence: In April 2006, the Rogers Centre became one of the first buildings of its size to adopt a completely smoke-free policy in Canada, anticipating an act of provincial legislature that required all Ontario public places to go smoke-free by June 1,2006.
Split into simpler sentences: In April 2006, the Rogers Centre became one of the first buildings of its size to adopt a completely smoke-free policy in Canada. The Rogers Centre made this decision in advance of an act of provincial legislature that required all Ontario public places to go smoke-free by June 1,2006.