Complex sentence: The Lubbock Memorial Civic Center, a convention center located in Lubbock, Texas, was built in 1977 and dedicated to the memory of local residents who died in a 1970 tornado that struck the site of the center.
Split into simpler sentences: The Lubbock Memorial Civic Center is a convention center located in Lubbock, Texas. It was built in 1977 and dedicated to the memory of local residents who died in a 1970 tornado that struck the site of the center.