Complex sentence: In June 2012, the Steinbach city council revealed plans to build a new multiplex near the T.G. Smith Centre site, which would include a new hockey arena and curling rink.
Split into simpler sentences: In June 2012, the Steinbach city council announced plans to build a new multiplex located adjacent to the current T.G. Smith Centre site. While still in the planning stages, the multiplex would include a new hockey arena and curling rink.