Complex sentence: As of 2012, it is part of the Trinity Mirror group, which used to be the biggest regional newspaper publisher in the United Kingdom, and has a daily circulation of over 31,000 copies (Jan-Jun 2012).
Split into simpler sentences: As of 2012, it is part of the Trinity Mirror group, which used to be the biggest regional newspaper publisher in the United Kingdom. It has a daily circulation of over 31,000 copies (Jan-Jun 2012).