Complex sentence: Columbia TriStar Home Entertainment became Sony Pictures Home Entertainment in 2005 and Columbia TriStar Motion Picture Group became the only subsidiary of Sony Pictures Entertainment that has the "Columbia TriStar" brand name in its name.
Split into simpler sentences: Columbia TriStar Home Entertainment became Sony Pictures Home Entertainment in 2005. And Columbia TriStar Motion Picture Group became the only subsidiary of Sony Pictures Entertainment that has the "Columbia TriStar" brand name in its name.